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Discover the Muslim
    Heritage in our World...
    1001 Inventions Teachers’ Pack




    Science Activities for                 This pack contains:
    11-16 year olds                          9 full colour activities
                                             Teachers’ notes for each activity
    For the Science National Curriculum



Production                    Supporters                               Associate

                                           El-Rahma
                                             Trust
Acknowledgements
chief editor                                     teacher writers
Professor Salim T S Al-Hassani, University       Nigel Heslop
of Manchester, Chairman of Foundation for        Anne Cassell
Science, Technology and Civilisation (FSTC)      Christopher Clark
editors                                          Jane Vellacott
Tony Sherborne, Centre for Science               Julie Smith
Education, Sheffield Hallam University           teachers and trial schools
Philippa Hulme, Educational Consultant           Bilkish Mohamed of Al-Hijrah School,
production manager                                 Birmingham
Samia Khan, Muslim Heritage Consulting           Shukla Kulkarni of Moseley School, Birmingham
                                                 Lavkesh Lal of Moseley School, Birmingham
communications co-ordinator                      Deane Narayn-Lee of The Grange School,
Yasmin Khan, Foundation for Science,               Bradford
Technology and Civilisation                      Mark Simpkins of Levenshulme High School
design and layout                                  for Girls, Manchester
Linda Knight (Activities)                        Dennis Ashpole of Burnage Media Arts College,
Mukhtar Sanders, Inspiral Design                   Manchester
(Pack Layout and Design)                         Caroline Wright of South Chadderton School,
consultants                                        Oldham
Dr Anne-Maria Brennan,                           Bilgis Hassan of Manchester Islamic High School
  London South Bank University                     for Girls, Manchester
Professor Mohammad El-Gomati,                    Monwara Begum of Grange School, Oldham
  University of York                             Jenny Gow of Burnage Media Arts College,
Martin Bazley, ICT4learning                        Manchester
Tony Sherborne, Centre for Science               Shilpa Karavadra of Saltley School, Birmingham
  Education, Sheffield Hallam University         Tahira Shabbir of Small Heath School, Birmingham

Special thanks are due to Marianne Cutler, the Director of Curriculum Development for the
Association of Science Education for her work on the complementary set of posters, Cameron
Buxton on the poster design, Yasmin Khan for her kind assistance in the development of the pack,
Elizabeth Woodcock and Dr Rabah Saoud for reviewing the text.
Special thanks and gratitude to Yaqub Yousuf, CEO International Holdings Group (UAE), for
championing the development of this teachers’ pack and supporting the teams that worked to
publish it.
Special thanks for financial support to International Holdings Group (UAE), The Home Office:
Cohesion & Faiths Unit (UK), The Office of Science and Technology DTI (UK), the Foreign and
Commonwealth Office (UK), El-Rahma Trust (UK) and the Bin Hamoodah Group (UAE). Thanks
are also due to the British Association for the Advancement of Science (UK) for their continued
encouragement and endorsement of the project.
Produced by Muslim Heritage Consulting (MHC) for the Foundation for Science Technology and
Civilisation (FSTC), UK.
Published by the Foundation for Science Technology and Civilisation (FSTC), UK.
27 Turner Street
Manchester, M4 1DY
Great Britain
Copyright © 2006 by the Foundation for Science Technology and Civilisation (FSTC), UK
All rights reserved. No part of this publication may be reproduced, transmitted, transcribed stored
in a retrieval system in any form or by any means except for downloading and printing for personal
or classroom use only.
isbn-13: 978-0-9552426-1-8
isbn-10: 0-9552426-1-4
                                                2
Contents
  Title                       Curriculum Area                         Page
  Introduction                •                                       5
  Activity 1                  Ages 11-14                              6
                              •	 Energy
  Seeing in the Dark
                              Ages 14-16
                              •	 How science works
  Activity 2                  Ages 11-14                              14
                              •	 Behaviour, health and drugs
  Coffee
  Activity 3                  Ages 11-14                              20
                              •	 Particles
  Perfume
  Activity 4                  Ages 11-14                              28
                              •	 Forces
  Raising Water
  Activity 5                  Ages 11-14                              34
                              •	 Classification
  Puzzling Plants
  Activity 6                  Ages 11-14                              44
                              •	 Chemical patterns
  Pharmacy
  Activity 7                  Ages 11-14 Design and Technology 56
                              •	 Knowledge and understanding of
  Build it Strong
                                 structures
  Activity 8                  Ages 11-14                        62
                              •	 Earth, Space and beyond
  Figuring out Phenomena
                              Ages 14-16
                              •	 How science works
  Activity 9                  Ages 11-14                              72
                              •	 Forces
  Bird Man
  Teachers’ Guide to the      •                                       78
  1001 Book

Notes:
1. All activities address the Key Stage 3 Programme of Study
   statement 1.3a:
   Recognising that modern science has its roots in many different societies and
   cultures, and draws on a variety of valid approaches to scientific practice.
2. Detailed curriculum links are given in the teachers’ guide for
   each activity.




                                                  3
© University Library, Istanbul; Muslim Heritage Consulting, Dubai.
Introduction
T
         he main aim of this pack is to help science
         teachers teach the science content of the National
         Curriculum in a fun and engaging manner while
highlighting contributions by Muslim scientific scholars.
By offering easily digestible historical facts and simple
experiments to demonstrate key scientific and technological
principles this resource offers an exciting opportunity to
promote understanding and contributions of the Muslim
civilisation in a hands-on and minds-on fashion that is
accessible to younger audiences between the ages of 11 and 16.

How to use this Pack
The activities are a result of collaboration between Foundation of Science,
Technology and Civilisation, science teachers and consultants. It is structured
around the Science National Curriculum requirements at Key Stages 3 and 4
and contains one activity for the Design and Technology curriculum. Each
activity is ready to photocopy and is accompanied by teacher notes including
the areas of the curriculum which are covered, instructions on how to run the
activity and relevant background material.

The 1001 Inventions Project
The 1001 Inventions Teachers’ Pack is part of unique UK based project which
aims to convey 1,000 years of Muslim contributions to science, technology
and modern civilisation. 1001 Inventions is a non-religious and non-political
project and encompasses a highly interactive mobile exhibition, a richly
illustrated overview book, a website and several poster sets, all dedicated
towards promoting Muslim heritage.
The posters have been designed intertwining science concepts with the
relevant Muslim contributions and are available separately for use in
classrooms. Also, for teachers who are interested in further reading, the 1001
Inventions Book provides the facts in a wider context and to facilitate the use
of the book to teachers, a teachers’ guide to the articles in the book has been
produced with links to the science content of the National Curriculum and
some links to the Design and Technology curriculum.




                                                 5
Activity 1
                      Seeing in The Dark
                      T
                              he camera is not a modern invention! It
                              was invented around a thousand years ago by Muslim
                              scientist Abu Ali al-Hasan Ibn al-Haitham. Ibn al-
                      Haitham did a great deal of revolutionary and influential work
                      on optics through meticulous experimentation and evidence
Book Reference:       collection, creative explaining and thorough recording. He was
Vision and Cameras,   almost certainly the first to prove that light travels in straight
page 26.              lines, and that we see things when light reflects off an object
                      and enters the eye. Ibn al-Haitham’s ‘Book of Optics’ had a
                      profound impact on the work of Bacon (13th century) and da
                      Vinci (15th century).
                      In this activity, students re-create some of Ibn al-Haitham’s
                      experiences through constructing pinhole cameras. They
                      reinforce their knowledge of light by examining some of Ibn
                      al-Haitham’s work and comparing digital to pinhole cameras.

                      Curriculum link
                      11-14           Programme of study
                                      1.3a Recognising that modern science has its roots in
                                      many different societies and cultures, and draws on a
                                      variety of valid approaches to scientific practice.
                                      3.1a Energy can be transferred usefully, stored or
                                      dissipated, but cannot be created or destroyed.

                                      Framework for progression in science
                                      1.1b Applications, implications and cultural
                                      understanding (years 8 and 9)
                                      4.1 Energy transfer and electricity (year 9)
                      14-16           How Science Works
                                      •	 Interpreting data, using creative thought, to provide
                                         evidence for testing ideas and developing theories
                                      •	 Many phenomena can be explained by developing and
                                         using scientific theories, models and ideas
                                      •	 How scientific ideas change over time

                      Learning objectives
                      Students will learn:
                      •	 How Ibn al-Haitham changed ideas about important optical phenomena
                      •	 How to construct and use a pinhole camera
                      •	 About the similarities and differences of pinhole and digital cameras




                                                6
Activity 1
Running the activity
Starting the activity
A really exciting way to start this lesson would be to set the whole teaching
room up as a camera obscura (instructions on how to do this later). Then
set the scene by displaying Activity 1a (either projected or as an OHT) and
getting groups of students to do the two short tasks on this page.
Running the main part of the activity
Display Activity 1b, and take students through the work and findings of
Ibn al-Haitham. Stress the way he worked – very like modern scientists
– through making observations, collecting evidence and creating
explanations. Emphasise box 4 – Ibn al-Haitham’s room, with its hole in
the window shutter – it was his camera obscura.
Then ask students to follow the instructions in Activity 1c to construct
pinhole cameras.

Each group needs:
•	 An A4 sheet of black card
•	 A piece of black card about 12 cm × 12 cm
•	 A piece of tracing paper about 12 cm × 12 cm
•	 Scissors
•	 Sellotape
•	 A drawing pin
•	 Access to a lighted candle
The cameras work best in a dark room, looking towards a candle. Warn
students not to look directly at the Sun.
Running the plenary
Give each group a copy of Activity 1d. Ask them to compare their pinhole
camera to the mobile phone one on the sheet by completing the table.
Finally, display Activity 1a again to remind students just how long cameras
have been around, and to emphasise the contributions of the work of Ibn
al-Haitham to our knowledge and understanding of optics.




                                               7
Activity 1
             How to make your classroom into a camera obscura
             This will work best if:
             •	 Your classroom has an interesting view – particularly if there is
                something moving outside
             •	 The Sun shines on a window
             •	 The students can become part of the picture by standing in the view
                outside
             If you can meet all of these prerequisites then go ahead by:
             1. Make the room completely blacked out.
             2. Cover all of the windows with something opaque like thick cardboard
                boxes or aluminium foil. Tape together small sections to make it more
                manageable using something like masking or parcel tape. Use black
                electricians’ tape to plug any holes.
             3. Make an opening in the centre of a window covering in which to trial
                different apertures. This needs to be a square of about 5 cm across. If you
                wish, make more than one pilot hole, so that several groups of students
                can work at the same time.
             4. Make apertures out of black paper, or thick aluminium foil. The shapes
                and sizes of the apertures can vary, but a small, round hole will give the
                sharpest image. Any jagged edges produced when making the aperture
                need to be sanded off for safety and to prevent a blurred image. The
                apertures can be stuck across the hole made in the window blackout.
                Light must only come through the aperture, so it needs to be sealed
                carefully when placing it across the hole. It is better to mount the
                aperture onto some thick card with a hole cut in the centre for placing
                and fixing across the pilot hole.
             5. Images can be projected onto opposite walls, or onto viewing screens. If
                the screen is made out of translucent material, then the images produced
                can be seen from both sides.

             Web links
             http://www.paintcancamera.com/pages/616184/
             A very detailed website on how to construct a camera obscura and further
             pinhole camera designs from empty film containers (only for more deft
             students)! There is a good downloadable PDF file on this, and video
             clips of how to construct both items. The video of the camera obscura
             demonstrates many different effects and how they are caused.
             http://www.exploratorium.edu/science explorer/pringles pinhole.html
             A good Pringles pinhole camera site with explanations of how the images
             are formed.
             http://www.charlesdisonfund.org/Experiments/HTMLexperiments/
             Chapter5/5-Expt6/p1.html
             Really nice, simple pinhole camera instructions.
             http://www.kodak.com/global/en/consumer/education/lessonPlans/
             pinholeCamera/pinholeCanBox.shtml
             A more sophisticated pinhole camera from Kodak that uses real film!
             http://www.bbc.co.uk/history/historic figures/alhazen.shtml
             Nice, concise pieces about the life of Ibn al-Haitham.



                                         8
Activity 1




9
Seeing   in the dark              What a shot!
                                  Cameras must be one          www.1001inventions.com
                                                                                        Activity 1a



                                  of the greatest modern
                                        inventions.




                                � How many years ago do you think the




10
                                  first pinhole camera was invented?
                                   a 100    b 150    c 500    d 1000
                                � Can you show how this first pinhole
                                  camera – the camera obscura – made
                                  an image of a tree? (draw 2 lines)



              Not that modern

                  for years!
Ibn al-Haitham invented the pinhole camera in Egypt, 1000 years ago.
                                    1
                                        One day, as the                    Here's how…
                                        sunlight streamed                                                            www.1001inventions.com


                                        through a small        2
                                        hole in the shutter                              Light rays from the Sun
                                        of his room.               I think                travel in straight lines
                                                              I can explain my
                                  There's a tiny              observations like       They hit the tree
                                image of a tree on                    this
                                    my wall.
                                                                    The tree reflects the light rays




11
                       3                                        4




                            The reflected rays travel in
                           straight lines and go through
                                  the small hole.
                                                                                    This explains how our
                                                                               eyes work too! Light is reflected
                            When they hit the
                            wall they make an                                    from objects. It travels into
                             image of a tree.
                                                           This room is                    our eyes.
                                                           my camera!
                                                                                                                                              Activity 1b




                                                                                  8 Foundation for Science, Technology and Civilisation
3


     Make your own pinhole camera
                                                                                                                                                        www.1001inventions.com
                                                                                                                                                                                 Activity 1c



                                                                    sellotape
     Making your camera ...                                                                                    Using your camera ...
     1                                                             black tube
          Roll your black card into a tube.                                                                      1 Look down the tube
          Stick Sellotape round each end.                                                                              towards the tracing paper.
          Secure the straight edge with a long piece of Sellotape.                                                     This is the screen.
                                                                                                                 2 Point the pinhole at a



                                                                                          black tube
           Stand the tube on a small piece of black card. 2                                                            brightly lit object –
                                                                                                            d
           Gently draw round the end of the tube.
                                                                                                         car
                                                                                                                       perhaps a candle flame.
                                                                                                           k
           Draw a circle about 1 cm bigger all round your first circle.                                lac
                                                                                                       b




12
     3                                  Cut out the bigger circle. Cut tabs in the bigger circle.
                                        Place this circle on top of the end of the tube that you
                                        drew round. Stick it on firmly with Sellotape.
                                                                                                                 � What do you notice
                                           Look down inside the tube to see if any light is                            about the image?
                                   be      leaking in around the join. If it is, use Sellotape
                        b   lack tu
                                           or black card to cover the hole.                                      � What happens if you make
                                        Make a pinhole in the middle of this circle.                               the hole bigger, or a
                                                                                                                   different shape, or if you
                            tracing paper
                                            Cut a circle from tracing paper that is 2 cm   4                       make several holes?
             k   card
         blac                               bigger all round than the other end of the tube.                     � How could you improve
                              be            Hold the tracing paper tightly over the empty
                  bla   ck tu                                                                                      your camera?
                                            end of the tube and stick it down with Sellotape.
                                                                                                               © 2008 Foundation for Science, Technology and Civilisation
Pinhole vs digital – comparing cameras
                                                                                                                             www.1001inventions.com




     Pinhole camera ...                                                                  Mobile phone
                                                                                         camera ...

                                                                                         lenses
                                                                                                                   Image on screen
                    Screen




13
                                                           � Light sensitive receptors capture the image
                     Image on screen                       � A removable storage device stores the image
     Answers for pinhole camera                                                         Answers for mobile phone camera
                                       � Light enters the camera through…
                                       � The image is formed on the…
                                       � Are light rays from the Sun reflected off
                                         the tree and into the camera?
                                       � Are light rays refracted by lenses to
                                         sharpen the image?
                                       � How is the image stored: digitally
                                         (electronic 1s and 0s) or in analogue
                                         form (different shades of light)?
                                       � How small could this type of camera be?
                                                                                                                                                      Activity 1d




                                                                                     © 2008 Foundation for Science, Technology and Civilisation
Activity 2
                   Coffee
                   W
                               hen was the world’s favourite drink first
                               discovered? About a thousand-years-ago by an
                               observant Ethiopian goat-herd, who wondered
                   why his goats became livelier after eating berries from a
                   certain plant. In this activity, students learn about coffee’s
Book Reference:    discovery before devising and doing an investigation to test the
Coffee, page 12.   hypothesis “does caffeine increase alertness, and if so, by how
                   much?”

                   Curriculum link
                   11-14            Programme of study
                                    1.3a Recognising that modern science has its roots in
                                    many different societies and cultures, and draws on a
                                    variety of valid approaches to scientific practice.
                                    2.1b Assess risk and work safely in the laboratory.
                                    2.1c Plan and carry out investigative activities.
                                    2.2a Obtain, record and analyse data and use their
                                    findings to provide evidence for scientific explanations.
                                    2.2b Evaluate scientific evidence and working methods.
                                    3.3c Behaviour and health can be affected by drugs.

                                    Framework for progression in science
                                    1.1b Applications, implications and cultural
                                    understanding (years 8 and 9)
                                    1.2a Using investigative approaches: planning an
                                    approach (year 7).
                                    1.2b Using investigative approaches: selecting and
                                    managing variables (year 7).
                                    1.2c Using investigative approaches: assessing risk and
                                    working safely (years 7, 8 and 9).
                                    1.2d Using investigative approaches: obtaining and
                                    presenting primary evidence (years 7 and 8).
                                    2.1 Life processes (year 9).

                   Learning objectives
                   Students will learn:
                   •	 How an Ethiopian Arab – Khalid – discovered coffee more than 1000
                      years ago
                   •	 To devise and do an investigation to test the hypothesis that caffeine
                      increases alertness




                                              14
Activity 2
Running the activity
Starting the activity                                                             Distance     Reaction
Display Activity 2a (either projected or as an OHT). Ask small groups of          the ruler    time/
students to discuss these questions: How do you like your coffee? How do          falls be-    millisec-
caffeine drinks make you feel? Then get students to guess when and where          fore it is   onds
coffee was first discovered.                                                      caught/
                                                                                  cm
Running the main part of the activity
                                                                                  5            107
Display Activity 2b, and take students through the story of how Khalid
discovered the stimulant properties of coffee. Emphasise the scientific skills    6            108
he used: careful observation; wondering why; devising an investigation to         7            114
find out more.
                                                                                  8            121
Then give each group copies of Activity 2c and 2d, which set the main
                                                                                  9            128
investigation task and give an outline to guide students through the
process. A failsafe alertness test is to get one student to drop a metre ruler    10           135
and another to catch it. Use the data in the table on the right to calculate      11           142
reaction times.
                                                                                  12           149
You may need to demonstrate the alertness test:
                                                                                  13           156
•	 Student A holds the top of a vertical ruler, with the 100 cm mark at the
   top.                                                                           14           163
•	 Student B places their finger and thumb over (but not touching) the zero       15           170
   at the bottom of the ruler.
                                                                                  16           177
•	 Student B lets go of the ruler.
•	 Student A catches the ruler between their finger and thumb. The                17           184
   reading under their finger and thumb is the distance the ruler has fallen.     18           191
Some groups may well need help with considering how to make their
investigation fair and reliable, and with working out what data to collect for
strong evidence. Some groups will need help in designing a suitable results      Current research suggests
table, too.                                                                      that caffeine definitely
                                                                                 helps to keep you awake
Once students have completed their plans, ask them to carry out their            and that it also may
investigation. Each group will need:                                             increase your reaction
                                                                                 time. However, it probably
•	 A metre ruler
                                                                                 hinders performance on
•	 Caffeine drinks (cola is a good alternative to coffee, as it can be served    complex analytical tasks.
   cold!)                                                                        Caffeine also speeds up
•	 Clean cups                                                                    the heart and raises blood
                                                                                 pressure, so interfering
•	 Clean measuring jugs/cylinders – perhaps borrowed from food                   with sleeping. It can also
   technology                                                                    be addictive.
Running the plenary
Discuss students’ investigation results and evaluations, and come to a class
conclusion about whether caffeine increases alertness.

Web links
http://www.ase.org.uk/htm/teacher_zone/upd8/upd8_26/upd8_wired.php
This Red Hot Science activity on the ASE website gives further details
about ways of investigating other effects of caffeine, such as concentration,
mood, memory and coordination.
http://muslimheritage.com/topics/default.cfm?ArticleID=378
More information on the history of coffee.

                                                 15
Café Costabucks
                                                                                                       www.1001inventions.com
                                                                                                                                Activity 2a


                                      What can     � How do you like your
                                      I get you?     coffee?
                                                   � How do caffeine drinks
                         Iced latte                  (coffee, cola, tea,
                                                     chocolate) make you feel?
                                                     Should you limit your
                                                     intake of caffeine?*




16
                                                                                 Who
                                             Cappuccino
                                                                             discovered
                                          Fair                               the world's
                                         trade                                favourite
          Double
     expresso – I need                    Frappuccino,                          drink?
     to be alert for my                      please!                               When?
        driving test!   Strong – I've got
                         an exam later!              *       WARNING: Caffeine speeds up the heart and raises blood
                                                          pressure, interfering with sleeping. It can also be addictive.

                                                               © 2008 Foundation for Science, Technology and Civilisation
What they don't tell you in Café Costabucks
        Coffee was                                Should I
      invented more                           give up my day
     than 1000 years                         job to grow and
        ago, by an                           sell coffee beans?
        Ethiopian
     goat-herder and                          How can I be
        his goats.                           sure that coffee




17
                                            makes humans
          Khalid noticed his                  more alert?
      animals becoming more
     lively after eating berries                   I need some
        from a certain plant.
     He wanted to know if the
                                                     scientific
        berries had the same                         evidence!
      effect on humans. So he
        boiled some up with
         sugar and water to
       create the world's first
            cup of coffee.
                                                                                                    Activity 2b




                                       © 2008 Foundation for Science, Technology and Civilisation
Does caffeine increase alertness? If so, by how much?
                                                                                                                      www.1001inventions.com
                                                                                                                                               Activity 2c


     Plan a
     scientific       Our alertness test:
     investigation
     to find out.
     To start with,
     make up an
     alertness
     test.




18
     We will collect this data so that our evidence is strong and reliable:




     To make our test fair we will:




                                                                              © 2008 Foundation for Science, Technology and Civilisation
Does caffeine increase alertness? If so, by how much?
                                                                                                   www.1001inventions.com


     Results:




19
     Evaluation
     � Did our tests measure what they were supposed to?

     � How could we make our results more reliable?



     Conclusion: message to Khalid
                                                                                                                            Activity 2d




                                                           © 2008 Foundation for Science, Technology and Civilisation
Activity 3
                       Perfume
                       P
                                eople have enjoyed perfume for centuries. More
                                than a thousand years ago, Muslims chose from a wide
                                range of scents, thanks to the hard work of two talented
                       chemists: al-Kindi (born 801, Iraq) and Jabir ibn Hayyan
                       (born 722, Iraq). Al-Kindi created a vast number of ‘recipes’
Book References:       for a wide range of perfumes, cosmetics and pharmaceuticals.
Cleanliness, page      Jabir ibn Hayyan – often known as the ‘father of chemistry’
20; Chemistry, page    – devised many techniques, including sublimation,
72; Commercial         crystallization, distillation, oxidation, evaporation and
Chemistry, page 130.
                       filtration, some of which were used to prepare the perfumes.
                       This activity introduces students to the Muslim world’s
                       perfume expertise before getting them to plan – and
                       (optionally) produce – their own perfume from orange peel,
                       using steam distillation. Also included are suggestions for
                       testing their finished products.

                       Curriculum link
                       11-14            Programme of study
                                        1.2a Exploring how the creative application of scientific
                                        ideas can bring about technological developments and
                                        consequent changes in the way people think and behave.
                                        1.3a Recognising that modern science has its roots in
                                        many different societies and cultures, and draws on a
                                        variety of valid approaches to scientific practice.
                                        2.1c Plan and carry out investigative activities.
                                        3.2a The particle model provides explanations for the
                                        different physical properties and behaviour of matter.

                                        Framework for progression in science
                                        1.1b Applications, implications and cultural
                                        understanding (years 8 and 9)
                                        3.1 Particle model – separating techniques
                                        (years 8 and 9)

                       Learning objectives
                       Students will learn:
                       •	 How Muslim scientists developed the techniques to make – and the
                          recipes for – a wide range of perfumes
                       •	 To devise a method to extract perfumed oil from orange peel




                                                 20
s scents – research
Try making a fragrance yourself. You need to extract the oil with the smell, from its
                                                                                                Activity 3
raw material.Running found two di erent methods see below.
              We've the activity
              Starting the activity
              Display Activity 3a (either projected or as an OHT). Ask small groups of
              students to discuss these questions: What’s you favourite perfume? How
              does it make you feel? Why do people wear perfume? Then get students to
              speculate how long perfume-making has been around.
              Running the main part of the activity
              Display Activity 3b, and take students through the story of how al-Kindi
              and Jabir ibn Hayyan developed recipes for – and techniques to make – a
              wide range of different perfumes more than a thousand years ago.
              Display Activity 3c, which sets the task – ‘Can you work out how to make
              a perfume using only the materials shown on the page?’ Tell small groups
              to use the chart on Activity 3d to help them plan their method (each group
              will need a copy of this page). Many students will need guidance with this
              task – you might like to set up and show students the steam distillation set-
              up below, and ask students to imagine replacing each part of the apparatus
              with one piece of the equipment shown.
              If you wish, ask students to make perfume from orange or lemon peel. The
              set-up for steam distillation shown below works well – it is obviously not
              safe to use the equipment pictured on Activity 3c! Make sure the room is
              well-ventilated, as the perfume has a strong smell. Warn students to be very
              careful not to spill any of their perfume, as it is very slippery and difficult
              to clean up.



                              thread

                                                                       test tube
                                                 gauze bucket
                                                 containing
                           water                 the orange
                                                 peel



                                                          ice




              Activity 3e describes optional tests to help students evaluate their
              perfumes, and includes space to record judgements and – if you wish –
              particle explanations for some of their findings.
              Suggested answers to Activity 3d:
              Column 1:
              •	 Use the string and straight sticks to make a tripod-like contraption.
              •	 Rest one of the cups on the tripod and half fill it with water.
              •	 Place the candles under the tripod.
              •	 Rub some sticks together to make a flame.
              •	 Use the flame to light the candles.


                                                                21
Activity 3a
              Running the activity continued...

               Column 2:
               •	 Make a hole through the centre of the cork. The bent end of the wooden
                  tube should fit snugly in the top of the hole.
               •	 Wrap some orange peel in part of the fabric.
               •	 Use string to attach the fabric-wrapped orange peel to the cork.
               •	 Push the cork into the top of the cup, so the fabric-wrapped orange peel
                  hangs above the surface of the water.

               Column 3:
               •	 Insert the bent end of the wooden tube into the hole in the cork, so the
                  tube slopes down to the side.
               •	 Surround the tube with ice – hold it there by tying cloth round the ice
                  and tube.

               Column 4:
               •	 Collect the liquid in a cup placed under the lower end of the wooden
                  tube.
               •	 The oil will float on the water. Collect the scented oil by skimming it off
                  the surface using the small flat piece of wood.
               Running the plenary
               Discuss students’ plans, products and tests. Emphasise that – in the
               Muslim world – chemists working twelve centuries ago had sophisticated
               techniques for making a wide range of perfumes and pharmaceuticals.

              Web links
               http://www.healthy.net/scr/article.asp?id=1712
               More information on the history of perfume and al-Kindi
               www.parfumsraffy.com/faqs.html
               Commonly asked questions about perfumes.
               www.guerlain.com
               Discover your ideal fragrance.




                                          22
www.1001inventions.com



                           Great scent!

                                    Mmmm – gorgeous
                                  ... what's that perfume?




23
                                            � What's your favourite
                                               perfume?
                                            � How does it make you
                                               feel?
                                            � Why do people wear
                                               perfume?

     Making perfume is big business. But is it a new or ancient science?
                                                                                                                         Activity 3b




                                                       © 2008 Foundation for Science, Technology and Civilisation
� People have enjoyed perfume
        for centuries.                                                                                          www.1001inventions.com
                                                                                                                                         Activity 3c



     � More than a thousand years ago,                                                   Jabir ibn Hayyan
        Islamic women chose from an                                                     (722 – 815, Iran).
        enormous range of scents, thanks                                              Also called Geber – the
        mainly to two talented                                                         'founder of modern
                                                                                            chemistry'.
        chemists.            My book has 107 recipes
                           for making perfume. I've included
                           instructions for making medicines




24
                                 and fragrant oils, too.




                                al-Kindi
                           (801 – 873, Iraq).        But he couldn't have
                         Chemist, philosopher,      made them without the
                         pharmacist, physicist,   purification and distillation
                            mathematician,
                            geographer and             techniques that I
                              astronomer.                   devised!
                                                                       © 2008 Foundation for Science, Technology and Civilisation
Imagine that
     It's the year 850 in      you have only                                    � an
                                                                                                             www.1001inventions.com
     the Islamic world.        these materials:                                        orange

     There's money to be        � a cork                                                          � a bent
     made in perfume.                                                                                    wooden
                                                                                                           tube
     Use the chart to plan         � pieces of stick
     how to create a                                                            � a flask




25
     sensational scent.
                                             � small
                                                pieces of                         � small flat piece
     � 2 candles                                                                         of wood
                                                fabric
                            � 2 cups
                                                            � ice
                 � thread or string                                                                        � water
                                                                                                                                      Activity 3d




                                                                    © 2008 Foundation for Science, Technology and Civilisation
Sensational scent: creation
     1                                2                                 3                                     4
        We need                            Next we         Let's surround    OK.           We need to
                        Let's draw                                                        cool it down           We've got to         www.1001inventions.com
     to heat water to                need to separate the the orange
                                                                                                                                                               Activity 3e


                                                                          So we'll get a                       collect the liquid
      make steam.
                      how to use the scented oil from the
                                                              peel with mixture of steam      so it
                      equipment to                                                       condenses into            somehow.
                                         orange peel.        steam. That and orange oil                                          Right. And we
                         do that.                                                           a liquid
                                              How can       should make     vapour.                                             need to separate
                                                                the oil                     mixture.                           the liquid oil from
                                          we stop the peel
                                           falling into the evaporate.                                                              the water.
                                                water?




26
                                                                                                 © 2008 Foundation for Science, Technology and Civilisation
Sensational scent: testing
     Have you produced a popular perfume? Will it sell? Place a few drops on filter paper or a tissue and try these tests.
                                                                                                                                        www.1001inventions.com

     Name of perfume:
         Classification                 Judgement                              Particle explanation
     Is the scent:
     � Floral – like flowers?
     � Citrus – like oranges/lemons?
     � Herby – like leaves?
     � Fruity?
     � Woody?
     � Animal ?




27
     Strength – how far away can                          Why do particles from some perfumes travel further than others?
     someone else detect the scent?




     Volatility – how quickly                             Why do particles of some perfumes evaporate quicker than others?
     does one drop evaporate?
     The quicker it evaporates,
     the more volatile it is.



                                                                                               © 2008 Foundation for Science, Technology and Civilisation
Activity 4
                  Raising Water
                  N
                            ext time you’re sucking up your milkshake in
                            the local takeaway, spare a thought for al-Jazari. Over
                            800 years ago, in South East Turkey, he invented a
                  double-acting reciprocating suction pump with a clever sliding
                  crank to convert circular motion of a water wheel into a linear
Book Reference:   motion to drive the piston. Pulling up water using a plunger
Raising water,    in a tube was probably a Roman invention. In this activity,
page 114.         students will figure out how this early pump worked, in order
                  to learn about hydraulics and simple machines.

                  Curriculum links
                  11-14             Programme of study
                                    1.3a Recognising that modern science has its roots in
                                    many different societies and cultures, and draws on a
                                    variety of valid approaches to scientific practice.
                                    3.1b Forces are interactions between objects and can
                                    affect their shape and motion.
                                    3.2a The particle model provides explanations for the
                                    different physical properties and behaviour of matter.

                                    Framework for progression in science
                                    1.1a1 Scientific thinking: developing explanations using
                                    ideas and models (years 8 and 9)
                                    1.1b Applications, implications and cultural
                                    understanding (years 8 and 9)
                                    3.1 Particle models (year 9)
                                    4.2 Forces (years 8 and 9)

                  Learning Objectives
                  Students will:
                  •	 Explain how difference in air pressure can move liquids
                  •	 Apply this idea to construct an argument for how a water pump works

                  Running the activity
                  Starting the activity
                  Display Activity 4a (either projected or as an OHT). The context for the
                  activity is related to a simple form of al-Jazari’s invention 800 years ago
                  for drawing water from rivers to irrigate the fields above, using a suction
                  pump. Get students to brainstorm ways they can think of moving liquids.
                  Lead them to the idea of using the force of air pressure to move a liquid.
                  You can demonstrate this using a manometer.
                  •	 Set up a manometer (U-tube) filled with liquid and made visible with
                     ink. Attach a piece of flexible clear plastic tubing to it, to allow water to
                     be sucked up (Get the technician to soak the end in sterilising solution)


                                              28
Activity 4
Running the activity continued...

 •	 With the help of the students, show how gentle sucking on one side of
    a manometer changes the levels. On the sucked side the level goes up,
    while it goes down on the other side that is exposed to atmospheric
    pressure. Take care to make sure water is not sucked all the way up or
    blown out!
 •	 Ask pupils to see if they can find similarities between the U-tube being
    sucked on one side and sucking up liquid out of a glass. You can get
    pupils to demonstrate the latter in two ways: one, sucking water out of a
    glass with a straw and two, by using a syringe to suck water up a piece of
    clear tubing.
 Give pupils a few moments to discuss in pairs their explanations of why
 the levels change. Direct the discussion towards the idea that ‘sucking’ is
 actually atmospheric pressure that is pushing the water up. Discussion
 can bring in the particle model and/or the weight of air to explain where
 atmospheric pressure comes from.
 Running the main part of the activity
 Display Activity 4b, which shows a simpler form of al-Jazari’s water pump
 invention. Instead of his double-acting reciprocating pump, this activity
 relates to a single piston pump. Set them the task of constructing an
 argument of how it works, using air pressure. Students can work in groups
 and are supported by the statement cards on Activity 4c. They can cut
 these out, select the most relevant ones, and re-order them to build their
 explanation. Less able students will need help with this activity. You might
 like to ask more able students to work out and explain how the pump
 works without giving them the statement cards.
 One possible correct answer is:
 Cards G, F, I, E, A, B, C, H, J, D
 1. Animals or people pull up the handle.
 2. The plunger moves up the copper cylinder.
 3. Air pressure drops inside the tube, making the flap of the inlet valve
     open.
 4. Water starts to rise from the river, and into the cylinder.
 5. The cylinder becomes full of water.
 6. Animals or people push down the handle.
 7. Water begins to flow out of the cylinder.
 8. The flap of the outlet flap is pushed open. The flap of the inlet valve falls
     closed.
 9. Water goes through the pipe and watering heads, over the fields.
 10. The cylinder empties and the flap of the outlet valve falls closed.

Web Links
 http://www.muslimheritage.com/day_life/default.
 cfm?ArticleID=188&Oldpage=1
 More information about al-Jazari’s inventions, including an animation of
 ‘al-Jazari’s water pump’ which you can download
 http://www.gabarin.com/ayh/Notes/Notes%202.htm
 Details of the invention of the suction pump


                                                  29
1001 inventions
              Let's travel back in time 800 years                                              www.1001inventions.com
                                                                                                                        Activity 4a




                You are a famous engineer called Al-Jazari, living in Turkey.
                The king has set you a difficult task.

                    He needs more
                    water on his fields
                    so they can produce
                    more food.




30
                    But the farmers are
                    breaking their backs
                    by carrying it from
                    the river below.




      C Can you invent a device that will irrigate the fields automatically?
                                                       © 2008 Foundation for Science, Technology and Civilisation
Handle
     You have come up with a design                  Plunger
                                                                                                        www.1001inventions.com
      for the world's most efficient                 One-way
             water pump yet.                       outlet valve                       Copper piston

                          Pipe to take water to fields                                                            Thin
                                                                                  Thick                           hinge
                                                                                  leather
     C Can you                                                                    strap
                                              Watering heads
       persuade the




31
       caliph it will                                    One-way
                                                         inlet valve
       work?                              Fields
                                                                                            Sucked open
     C Construct a
       scientific
       argument using
       the statement                    River                                      Squashed closed

       cards.
                                                                                                                                 Activity 4b




                                                                © 2008 Foundation for Science, Technology and Civilisation
Raising water
                                                                                                               www.1001inventions.com
                                                                                                                                        Activity 4c



                         A                         B                        C                              D
     C The cylinder          C Animals or              C Water begins to              C The cylinder
       becomes full of         people push               flow out of the                empties and the
       water.                  down the                  cylinder.                      flap of the outlet
                               handle.                                                  valve falls closed.


                                                   E                        F                                                   G
                             C Water starts to         C The plunger                 C Animals or




32
                               rise from the river,      moves up the                  people pull up
                               and into the              copper                        the handle.
                               cylinder.                 cylinder.


                         H                         I                        J
     C The flap of the       C Air pressure            C Water goes
       outlet flap is          drops inside the          through the pipe
       pushed open.            tube, making the          and watering
       The flap of the inlet   flap of the inlet         heads, over the
       valve falls closed.     valve open.               fields.
                                                                        © 2008 Foundation for Science, Technology and Civilisation
33
Activity 5
                   Puzzling Plants
                   M
                               any hundreds of years before Linnaeus
                               developed our current system of classification
                               (back in 1753), Muslim scientists were collecting
                   vast numbers of plant species and sorting them according to
                   their uses. Their knowledge of herbal medicines was extensive
Book Reference:    and impressive, and coupled with access to information on
Herbal Medicine,   earlier attempts to classify plants, they developed sophisticated
page 180.          methods of classifying the living world. One Muslim scientist
                   – Ibn al-Baytar of Malaga, Muslim Spain – studied 3000 plant
                   species and their medical properties, and recorded his findings
                   in a vast encyclopedia. The scientific skill of ‘try it and write
                   what it does’ goes back a long way! In this activity, students
                   classify useful plants before exploring the pros and cons of
                   herbal medicine in today’s world.

                   Curriculum links
                   11-14           Programme of study
                                   1.2a Exploring how the creative application of scientific
                                   ideas can bring about technological developments and
                                   consequent changes in the way people think and behave.
                                   1.3a Recognising that modern science has its roots in
                                   many different societies and cultures, and draws on a
                                   variety of valid approaches to scientific practice.
                                   2.2b Evaluate scientific evidence and working methods.
                                   3.3d All living things…can be classified.
                                   Framework for progression in science
                                   1.1b Applications, implications and cultural
                                   understanding (years 8 and 9)
                                   2.2 Variation and interdependence (year 7)

                   Learning objectives
                   Students will:
                   •	 Learn about the pioneering work of Muslim scientists on plant
                      classification
                   •	 Explore the pros and cons of herbal medicine in today’s world




                                             34
Activity 5
Running the activity
Starting the activity
Display Activity 5a (either projected or as an OHT). Point out the
differences in plant knowledge between pre-Enlightenment Europeans and
scientists from the Muslim world.
Ask students, in small groups, to
•	 discuss the three questions at the bottom of the page
•	 classify the plants on cards made from Activity 5b into sensible groups.
   Ideally, make the cards before the lesson.
Encourage students to draw out these points in their discussions: plants
were used as remedies, for food, clothing and building; Muslim scientists
were particularly interested in recording the medicinal properties of plants;
they used the skills of collecting, observing, recording data and classifying.
Ideally, make the cards before the lesson.
Encourage students to try different methods of classifying the plants on
the cards; part way through this activity, reveal that Muslim scientists were
particularly interested in classifying plants according to remedy, and get
students to try doing this themselves.
Running the main part of the activity
Ask students – either individually or in small groups – to read the
information ‘from the packets’ of herbal and conventional remedies
(Activity 5c, 5d, 5e), decide which ones they would choose if required, and
justify their choices. Their answers can be used to discuss issues such as:
1. How do we know the remedies are effective (what evidence is there)?
2. Perceptions about herbal remedies being more natural or ‘better’ than
   artificial ones, especially with the sleeping pills example where the
   active chemicals in both the herbal and the conventional medicine are
   essentially the same (alkaloids)
3. Should we always use drugs (natural or artificial) anyway?
4. Whether there is enough information on the sheets to make informed
   decisions.
Ask students to prepare for the debate, as described on Activity 5f. Make
sure you have some students planning to speak for each ‘side’! Then run
one large debate or get students debating in small groups.
Running the plenary
Lead a discussion to bring out the following points:
•	 Much of what scientists do today involves trial and error
•	 Hundreds of years ago Muslim medics and plant scientists gathered
   vast amounts of knowledge about plants. Many of their findings are still
   useful in today’s world




                                               35
Activity 5
             Running the activity continued...

              Possible extension
              Ask students to carry out research to investigate how people of different
              cultures use plants in their everyday lives. You could ask student to focus
              on just one plant, and to produce some or all of the following:
              •	 A fact file about the plant, including a description of its properties and
                 uses.
              •	 A map showing where the plant grows and how different cultures use it.
              •	 A timeline showing how the uses of the plant have changed.
              •	 An modern advertisement for a remedy containing extracts from the
                 plant.
              •	 A giant model of the plant for display, incorporating information about
                 how and why the plant is used today.

             Web links
              http://observer.guardian.co.uk/magazine/story/0,11913,1157031,00.html
              This is an article discussing the new EU regulations (from a particular
              viewpoint!)
              http://www.muslimheritage.com/topics/default.cfm?articleID=525
              More details about the work of the Muslim scientists in this activity
              http://muslimheritage.com/topics/default.cfm?ArticleID=515
              An article about agricultural developments in the Muslim world




                                         36
37
Puzzling plants
     13th Century, Islamic World                                                   500 – 1500,                              www.1001inventions.com
                                                                                                                                                     Activity 5a



                                       We know loads about
                                                                                     Europe
                                      plants. They're amazing!                           We're only interested
                                                                                   in plants we can eat. There aren't
                                                                                             many of them.




38
               I've observed
         and classified thousands
     of plant species. It's taken years!
          Look – here's the plant
         encyclopaedia I wrote –
                it's massive!

     Why did Muslim             Discuss                                                                         Classify the 12
     scientists collect         � What do you think people in the Muslim world used plants for?                 useful plants on
     so much plant              � What do you think scientists wrote down about plants?                         page 2 into
     knowledge?                 � What scientific skills were these early scientists using?                     sensible groups.
                                                                                    © 2008 Foundation for Science, Technology and Civilisation
Coconut Palm           Peppermint             Jojoba                   Banana                 Ginger
                             Mentha piperita       Simmondsia               Musa sp.                Zingiber
                                                   chinensis                                        offincinale
                                                                                                                                             www.1001inventions.com



                                                                                                                                  Agrimony
                                                                                                                                  Agrimonia
                                                                                                                                  eupatoria
     Part used: whole
       plant – mostly nut                          Part used: seeds
                                                   Uses:                    Part used: fruit and   Part used: rhizome
       and leaves                                                             leaves                                             Part used: whole
     Uses:                  Part used: whole       � lubricant                                     Uses:                           plant
                              plant                                         Uses:
     � biofuel                                     � floor polish                                  � helps digestion             Uses:
                            Uses:                                           � food
     � food                                        � cosmetics                                     � reduces nausea              � heals wounds and
                            � helps digestion                               � cooking
     � thatching                                   � to treat skin                                 � reduces cold and              bruises
                            � reduces nausea         problems like          � roofing material       flu symptoms                � heals digestion
                            � decongestant           burns, sores and       � weaving baskets      � flavouring                  � improves bladder




39
     Myrrh                  � flavouring
                                                     acne                                                                          control
                                                   � possible future fuel
     Commiphora                                                             Lady's Mantle          Aloe Vera
     molmol                                                                 Alchemilla             Alo barbadensis                Empress
                            Cotton                 Garlic      Allium
                            Gossypium sp.                                   vulgaris                                              Candlestick
                                                               sativum
                                                                                                                                  Senna alata



                                                   Part used: bulb                                 Part used: sap from
                                                   Uses:                                             leaves
     Part used: gum resin
       from stem                                   � protects against                              Uses:                         Part used: leaves
     Uses:                                           heart disease                                 � speeds wound                Uses:
                                                   � kills fungi and        Part used: whole         healing                     � treats fungal
     � fights gum           Part used: seed head                              plant
       infections                                    bacteria                                      � laxative                      diseases
                            Uses:                  � clears chest
                                                                            Uses:
     � cleans wounds                                                                               � treats skin                 � treats stomach
                            � making fibres for      infections             � controls bleeding      problems like                 problems
     � reduces bruising       weaving into cloth                            �controls diarrhoea
                                                   � flavouring                                      sunburn                     � making soap
                                                                                                                                                                      Activity 5b




                                                                                                     © 2008 Foundation for Science, Technology and Civilisation
1 In the 21st century, would you still choose herbal medicine?
              Herbal medicine                     My comments                                                             www.1001inventions.com
                                                                                                                                                   Activity 5c



     Garlic capsules
     A traditional remedy for the symptoms
                                                                                Conventional medicine
     of coughs and colds. Can also benefit the                               Anadin paracetamol
     heart and circulatory system. Has anti-      If I were suffering from
     bacterial properties too.                    cold and flu symptoms,     For the effective relief of mild to
                                                        I would take         moderate pain including headache,
                                                                             migraine, toothache, period pains, aches
     Contains                                           because…             and pains, rheumatic pain, feverishness
     Soya bean oil and garlic oil in a gelatine                              and symptoms of colds and influenza.
     capsule.




40
     All natural ingredients – no known side
                                                                             Contains
     effects.                                                                Paracetamol and hydroxypropyl methyl
                                                                             cellulose (E464). Do not take with any
                                                                             other paracetamol-containing products.
                                                                             Immediate medical advice should be
                                                                             sought in the event of an overdose, even
                                                                             if you feel well.
                                                                             Do not take if:
                                                                             � you are suffering from
                                                                               kidney or liver disease.
                                                                             � you are allergic to paracetamol or any
                                                                               of the other ingredients listed.
                                                                                   © 2008 Foundation for Science, Technology and Civilisation
2 In the 21st century, would you still choose herbal medicine?
              Herbal medicine                   My comments                                                                www.1001inventions.com




     Neem                                                                       Conventional medicine
     is a powerful anti-bacterial
     and anti-fungal herb that is                                          PanOxyl Bar
     extremely bitter, with powerful                                       Helps clear existing
                                                If I were suffering from
     detoxifying chlorophyll, and acts as                                  acne blemishes and
                                                   spots, I would take
     an invaluable skin and blood cleanser.                                helps prevent the development of new
     It is very effective for normalising gut         because…             acne pimples, blackheads and whiteheads.
     bacteria.
                                                                           Contains




41
                                                                           10% Benzoyl Peroxide. Cetostearyl
     Contains                                                              alcohol, cocamidopropyl betaine, corn
     Extract and powder of Neem Leaf.                                      starch, glycerin, hydrogenated castor oil,
                                                                           mineral oil, PEG-14M, silicon dioxide,
                                                                           sodium potassium lauryl sulfate, titanium
     Do not use if pregnant                                                dioxide, water.

                                                                           Side effects
                                                                           This product may cause irritation,
                                                                           characterized by redness, burning, itching,
                                                                           peeling, or possible swelling. Keep away
                                                                           from eyes, lips, and mouth. Avoid contact
                                                                           with hair and fabrics.
                                                                                                                                                    Activity 5d




                                                                                    © 2008 Foundation for Science, Technology and Civilisation
3   In the 21st century, would you still choose herbal medicine?
              Herbal medicine                      My comments                                                             www.1001inventions.com
                                                                                                                                                    Activity 5e




     Californian poppy                                                          Conventional medicine
     Contains alkaloids and
     in particular one called
     californidine. This plant is a                                          Sleeping pills
                                                      If I were having
     natural hypnotic: it prepares                 difficulty in sleeping,   e.g. zopiclone
     for peaceful sleep and reduces sleeping            I would take         If they haven't been prescribed to you
     problems, particularly nightmares,                                      personally then it is illegal to take them.
     waking during the night and difficulties            because…
     in falling asleep. It is also an anxiolytic




42
     and a sedative: it helps anxious people of                              Contains
     all ages recover and have a calm life                                   Zopiclone, lactose, hydroxypropyl
     without stress.                                                         methyl cellulose, microcrystalline
                                                                             cellulose and sodium starch glycollate.
     Contains
     Californian poppy aerial flowered, part                                 Side effects
     powder?                                                                 Daytime drowsiness and a bitter taste in
                                                                             the mouth.
     Do not use if pregnant
                                                                             Warnings
                                                                             Dependence can develop after as little as
                                                                             one week of continuous use.
                                                                                    © 2008 Foundation for Science, Technology and Civilisation
The EU is debating new laws to control herbal medicines
       Plan to play a part in the debate.   and food supplements.
                                                                                                                                 www.1001inventions.com


               Choose one of these roles:
                                                       Daily News: New laws may hit herbal remedies
     �
       are vital to protect citizens                   New European regulations may soon prevent the sale of many of
                                                       Britain's favourite food supplements. Opinion about the new
     � the director of a shop chain that sells         regulations is sharply divided. Some believe them to be a vital safety
       herbal medicines.                               measure, and say that they will prevent the sale of substances that may
                                                       be harmful. Others believe the laws are yet another example of the EU
                               I'm convinced I
                                                       unnecessarily interfering with people's lives.
                         escaped a cold this year as
                           a result of taking those    Fighting sickness
                             garlic supplements




43
                                                       In the UK, we realise that diet is directly linked to our health.
                                                       We regard vitamin and mineral supplements as foods, not medicines.
                                                       Many people buy these supplements – and herbal medicines – as part
     The products for sale must                        of their fight against illness.
        be proven to be safe                           Restricted list
                                                       Soon, only those vitamins and minerals listed by the European Union
                                                       Food Supplements Directive will be able to be sold legally. To start
                         Chemicals are chemicals –
                                                       with, this will mean the loss of at least 270 nutrient supplements. Later,
                           they can be dangerous
                                                       all nutritional supplements will be scrutinised.
                         whether herbal or synthetic
                                                       Herbal medicines hit too
                                                       The EU plans to restrict the sale of herbal medicines, too.
             Without laws, some                        It proposes a register of herbs which have been 'in safe use for
         manufacturers could make                      30 years'. It will not be possible to use newly discovered herbal
         false claims about products                   medicines immediately.
                                                                                                                                                          Activity 5f




                                                                                           © 2008 Foundation for Science, Technology and Civilisation
Activity 6
                      Pharmacy
                      E
                              ight hundred years ago, the Muslim world had
                              sophisticated pharmaceuticals and regulated strict
                              rules for their sales. The earliest inspector was a woman
                      appointed by Caliph Umar, 640 CE, in the city of Medina.
                      In this activity, students take on the role of a government
Book Reference:       inspector (al-Muhtasib) checking pharmacists and their
Pharmacy, page 184.   medicines in 12th century Baghdad. They are charged to check
                      out a rumour that a local pharmacy is selling a cheap imitation
                      of a stomach medicine, and to use practical techniques to come
                      to an evidenced conclusion.

                      Curriculum link
                      11-14           Programme of study
                                      1.3a Recognising that modern science has its roots in
                                      many different societies and cultures, and draws on a
                                      variety of valid approaches to scientific practice.
                                      2.1a Use a range of scientific methods and techniques to
                                      develop and test ideas and explanations.
                                      2.1c Plan and carry out investigative activities.
                                      2.2a Obtain, record and analyse data and use their
                                      findings to provide evidence for scientific explanations.
                                      2.2b Evaluate scientific evidence and working methods.
                                      3.2c Elements and compounds show characteristic
                                      chemical properties and patterns in their behaviour.

                                      Framework for progression in science
                                      1.2a Using investigative approaches: planning an
                                      approach (years 7 and 8).
                                      1.2d Using investigative approaches: obtaining and
                                      presenting primary evidence (years 7 and 8).

                      Learning objectives
                      Students will learn
                      •	 That the Muslim world had sophisticated pharmaceuticals and strict
                         rules for their sales eight hundred years ago
                      •	 To evaluate a product using a neutralisation reaction




                                               44
Activity 6
Running the activity
Starting the activity
Display Activity 6a (either projected or as an OHT). Ask small groups
of students to discuss which stomach cure they would buy – and why..
Then get them to discuss what they expect out a visit to the pharmacy.
Encourage them to come up with answers such as ‘Nothing that’s going
off ’; ‘a pharmacist who knows what s/he is doing’ and ‘to be told the correct
dosage’, as well as those already given on Activity 1.
Then emphasize the point that shoppers in 12th century Baghdad had the
same high standards, and that government inspectors (al-Muhtasib) made
sure that regulations were adhered to.
Running the main part of the activity
Activity pages 6b, 6c and 6d – stomach-ache powders
Display Activity 6b. Emphasise the reference books and the wide variety
of medicines that were available in the Islamic world more than 1000 years
ago. Use this page to set the task – to find out which one of five pharmacists
at the market is selling a contaminated stomach-ache cure. Ask small
groups to suggest ways of tacking the task. You might like to ask groups
to devise – and follow – their own method of identifying the culprit.
Alternatively, continue as suggested for Activities 6b and 6c below.
Give each group a copy of Activities 6c and 6d. Groups follow the
instructions to identify the contaminated sample. It is well worth quickly
working through the practical yourself before the lesson.
Equipment and materials needed:
Per group:
•	 5 100 cm3 beakers
•	 0-10 cm3 measuring cylinder
•	 Spatula
•	 5 containers in which to collect powders A, B, C, D and E
•	 Stirring rod
Access to:
•	 Powder samples labelled A, B, C, D, E
•	 There is just one powder that is different from the rest – a 50:50 mixture
   of baking powder and salt. The other four samples are simply baking
   powder with a small quantity of salt added so that the difference in
   powders is not obvious just by looking at them.
•	 0.5 mol/dm3 hydrochloric acid
•	 Universal indicator
•	 Balance
Activity pages 6e, 6f, 6g and 6h – drug capsules
Display Activity pages 6e and 6f to describe blood capsules – ancient and
modern – to students. Then display Activity 6g. Ask students to use your
school investigation planning sheets to plan how to find out how squashing
the ‘drug capsule’ (teabag) affects how quickly the ‘drug’ comes out.




                                               45
Activity 6
             Running the activity continued...

              A very effective way of doing this investigation is to use light sensors with
              data logging equipment, as pictured on Activity page 6h. If you decide to
              do this, you will need to demonstrate the use of the light sensors before
              asking students to plan their investigations. Students will then record the
              transmission of light on a graph over about 2 minutes. Depending on the
              type of teabags used, students may need to pierce the teabag and tie a piece
              of string through the hole so that they can immerse the teabag in hot water,
              and then move the teabag around so it doesn’t block the light sensor.
              Running the plenary
              Ask groups to compare their findings – are their conclusions consistent?
              Then get small groups to discuss – or lead a class discussion about – other
              circumstances in which measuring might have been a useful part of
              Muslim pharmacists’ work to develop and test new medicines.

             Web links
              http://www.muslimheritage.com/topics/default.cfm?ArticleID=224
              More information on Muslim contribution to chemistry
              http://www.muslimheritage.com/topics/default.cfm?ArticleID=226
              How drugs were made a thousand years ago




                                         46
47
Which would you buy?
                                                                                                         www.1001inventions.com
                                                                                                                                  Activity 6a




                                                     Medicines
                                                  that do what they
                                                    say they'll do To be given
                                                                  the amount I'm




48
                                                                    paying for
                                                                     – no less!


                           Safe medicines


           Muslim shoppers in twelfth century Baghdad, Iraq, expected the same high
      standards. And, just like in twenty-first century Europe, they sent out quality control
        inspectors (al-Muhtasib) to check that pharmacists were obeying the regulations.
                                                                  © 2008 Foundation for Science, Technology and Civilisation
There's a rumour that one of the market
     pharmacists has mixed a cheap and useless                                                     www.1001inventions.com

        powder with his stomach-ache cure.
                                                      Baghdad
                                                     City Council


                                                 Your work today, al-Muhtasib, is
                                                 to test the powders and find the




49
                                                  culprit. Then we can think of a
                                                      suitable punishment…

                            Al-Razi's
                            Headache    Ibn Sina's
                           Compound       acne
                                        ointment                                              Sabur
                                                                                            ibn Sahl's
                                                                                              cough
                                                                Herbs                         syrup
                                                                                                                            Activity 6b




                                                           © 2008 Foundation for Science, Technology and Civilisation
Testing stomach powders
                                                                                                                             www.1001inventions.com
                                                                                                                                                      Activity 6c


     � Today, you will test stomach-ache cures from 5 pharmacists.
     � One stomach-ache cure is contaminated with a useless powder.
     � Follow the instructions to find out which …
      1 Collect a sample of stomach-ache
            powder from each pharmacy stall.
                                          2 Weigh each sample. Write the
     3   Put 5 cm3 of dilute hydrochloric   masses in the table (column 2).
         acid in each beaker.
                              A           B         C       D       E




50
     4   Add 4 drops of universal
         indicator to each beaker.    5       Add one spatula-full of stomach-ache powder A to the acid in beaker A.
                                              Stir. Keep adding the powder, one spatula at a time, until
                                              you see a green colour. The stomach-ache powder has
                                              now neutralised the acid. Write down the number of
     6   Weigh what is left                   spatulas you have added.                                   A
         of your sample of
         stomach-ache             7   Calculate the mass of stomach-
         powder A. Write              ache powder you added by
         this mass in the             subtracting the mass in column 4           8   Repeat steps 5 to 7 for
         table (column 4).            from the mass in column 2.                     powders B, C, D and E.
                                                                                      © 2008 Foundation for Science, Technology and Civilisation
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities
Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities

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Discover Muslim Heritage in Science - 1001 Inventions Teachers' Pack Activities

  • 1. Discover the Muslim Heritage in our World... 1001 Inventions Teachers’ Pack Science Activities for This pack contains: 11-16 year olds 9 full colour activities Teachers’ notes for each activity For the Science National Curriculum Production Supporters Associate El-Rahma Trust
  • 2. Acknowledgements chief editor teacher writers Professor Salim T S Al-Hassani, University Nigel Heslop of Manchester, Chairman of Foundation for Anne Cassell Science, Technology and Civilisation (FSTC) Christopher Clark editors Jane Vellacott Tony Sherborne, Centre for Science Julie Smith Education, Sheffield Hallam University teachers and trial schools Philippa Hulme, Educational Consultant Bilkish Mohamed of Al-Hijrah School, production manager Birmingham Samia Khan, Muslim Heritage Consulting Shukla Kulkarni of Moseley School, Birmingham Lavkesh Lal of Moseley School, Birmingham communications co-ordinator Deane Narayn-Lee of The Grange School, Yasmin Khan, Foundation for Science, Bradford Technology and Civilisation Mark Simpkins of Levenshulme High School design and layout for Girls, Manchester Linda Knight (Activities) Dennis Ashpole of Burnage Media Arts College, Mukhtar Sanders, Inspiral Design Manchester (Pack Layout and Design) Caroline Wright of South Chadderton School, consultants Oldham Dr Anne-Maria Brennan, Bilgis Hassan of Manchester Islamic High School London South Bank University for Girls, Manchester Professor Mohammad El-Gomati, Monwara Begum of Grange School, Oldham University of York Jenny Gow of Burnage Media Arts College, Martin Bazley, ICT4learning Manchester Tony Sherborne, Centre for Science Shilpa Karavadra of Saltley School, Birmingham Education, Sheffield Hallam University Tahira Shabbir of Small Heath School, Birmingham Special thanks are due to Marianne Cutler, the Director of Curriculum Development for the Association of Science Education for her work on the complementary set of posters, Cameron Buxton on the poster design, Yasmin Khan for her kind assistance in the development of the pack, Elizabeth Woodcock and Dr Rabah Saoud for reviewing the text. Special thanks and gratitude to Yaqub Yousuf, CEO International Holdings Group (UAE), for championing the development of this teachers’ pack and supporting the teams that worked to publish it. Special thanks for financial support to International Holdings Group (UAE), The Home Office: Cohesion & Faiths Unit (UK), The Office of Science and Technology DTI (UK), the Foreign and Commonwealth Office (UK), El-Rahma Trust (UK) and the Bin Hamoodah Group (UAE). Thanks are also due to the British Association for the Advancement of Science (UK) for their continued encouragement and endorsement of the project. Produced by Muslim Heritage Consulting (MHC) for the Foundation for Science Technology and Civilisation (FSTC), UK. Published by the Foundation for Science Technology and Civilisation (FSTC), UK. 27 Turner Street Manchester, M4 1DY Great Britain Copyright © 2006 by the Foundation for Science Technology and Civilisation (FSTC), UK All rights reserved. No part of this publication may be reproduced, transmitted, transcribed stored in a retrieval system in any form or by any means except for downloading and printing for personal or classroom use only. isbn-13: 978-0-9552426-1-8 isbn-10: 0-9552426-1-4 2
  • 3. Contents Title Curriculum Area Page Introduction • 5 Activity 1 Ages 11-14 6 • Energy Seeing in the Dark Ages 14-16 • How science works Activity 2 Ages 11-14 14 • Behaviour, health and drugs Coffee Activity 3 Ages 11-14 20 • Particles Perfume Activity 4 Ages 11-14 28 • Forces Raising Water Activity 5 Ages 11-14 34 • Classification Puzzling Plants Activity 6 Ages 11-14 44 • Chemical patterns Pharmacy Activity 7 Ages 11-14 Design and Technology 56 • Knowledge and understanding of Build it Strong structures Activity 8 Ages 11-14 62 • Earth, Space and beyond Figuring out Phenomena Ages 14-16 • How science works Activity 9 Ages 11-14 72 • Forces Bird Man Teachers’ Guide to the • 78 1001 Book Notes: 1. All activities address the Key Stage 3 Programme of Study statement 1.3a: Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 2. Detailed curriculum links are given in the teachers’ guide for each activity. 3
  • 4. © University Library, Istanbul; Muslim Heritage Consulting, Dubai.
  • 5. Introduction T he main aim of this pack is to help science teachers teach the science content of the National Curriculum in a fun and engaging manner while highlighting contributions by Muslim scientific scholars. By offering easily digestible historical facts and simple experiments to demonstrate key scientific and technological principles this resource offers an exciting opportunity to promote understanding and contributions of the Muslim civilisation in a hands-on and minds-on fashion that is accessible to younger audiences between the ages of 11 and 16. How to use this Pack The activities are a result of collaboration between Foundation of Science, Technology and Civilisation, science teachers and consultants. It is structured around the Science National Curriculum requirements at Key Stages 3 and 4 and contains one activity for the Design and Technology curriculum. Each activity is ready to photocopy and is accompanied by teacher notes including the areas of the curriculum which are covered, instructions on how to run the activity and relevant background material. The 1001 Inventions Project The 1001 Inventions Teachers’ Pack is part of unique UK based project which aims to convey 1,000 years of Muslim contributions to science, technology and modern civilisation. 1001 Inventions is a non-religious and non-political project and encompasses a highly interactive mobile exhibition, a richly illustrated overview book, a website and several poster sets, all dedicated towards promoting Muslim heritage. The posters have been designed intertwining science concepts with the relevant Muslim contributions and are available separately for use in classrooms. Also, for teachers who are interested in further reading, the 1001 Inventions Book provides the facts in a wider context and to facilitate the use of the book to teachers, a teachers’ guide to the articles in the book has been produced with links to the science content of the National Curriculum and some links to the Design and Technology curriculum. 5
  • 6. Activity 1 Seeing in The Dark T he camera is not a modern invention! It was invented around a thousand years ago by Muslim scientist Abu Ali al-Hasan Ibn al-Haitham. Ibn al- Haitham did a great deal of revolutionary and influential work on optics through meticulous experimentation and evidence Book Reference: collection, creative explaining and thorough recording. He was Vision and Cameras, almost certainly the first to prove that light travels in straight page 26. lines, and that we see things when light reflects off an object and enters the eye. Ibn al-Haitham’s ‘Book of Optics’ had a profound impact on the work of Bacon (13th century) and da Vinci (15th century). In this activity, students re-create some of Ibn al-Haitham’s experiences through constructing pinhole cameras. They reinforce their knowledge of light by examining some of Ibn al-Haitham’s work and comparing digital to pinhole cameras. Curriculum link 11-14 Programme of study 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 3.1a Energy can be transferred usefully, stored or dissipated, but cannot be created or destroyed. Framework for progression in science 1.1b Applications, implications and cultural understanding (years 8 and 9) 4.1 Energy transfer and electricity (year 9) 14-16 How Science Works • Interpreting data, using creative thought, to provide evidence for testing ideas and developing theories • Many phenomena can be explained by developing and using scientific theories, models and ideas • How scientific ideas change over time Learning objectives Students will learn: • How Ibn al-Haitham changed ideas about important optical phenomena • How to construct and use a pinhole camera • About the similarities and differences of pinhole and digital cameras 6
  • 7. Activity 1 Running the activity Starting the activity A really exciting way to start this lesson would be to set the whole teaching room up as a camera obscura (instructions on how to do this later). Then set the scene by displaying Activity 1a (either projected or as an OHT) and getting groups of students to do the two short tasks on this page. Running the main part of the activity Display Activity 1b, and take students through the work and findings of Ibn al-Haitham. Stress the way he worked – very like modern scientists – through making observations, collecting evidence and creating explanations. Emphasise box 4 – Ibn al-Haitham’s room, with its hole in the window shutter – it was his camera obscura. Then ask students to follow the instructions in Activity 1c to construct pinhole cameras. Each group needs: • An A4 sheet of black card • A piece of black card about 12 cm × 12 cm • A piece of tracing paper about 12 cm × 12 cm • Scissors • Sellotape • A drawing pin • Access to a lighted candle The cameras work best in a dark room, looking towards a candle. Warn students not to look directly at the Sun. Running the plenary Give each group a copy of Activity 1d. Ask them to compare their pinhole camera to the mobile phone one on the sheet by completing the table. Finally, display Activity 1a again to remind students just how long cameras have been around, and to emphasise the contributions of the work of Ibn al-Haitham to our knowledge and understanding of optics. 7
  • 8. Activity 1 How to make your classroom into a camera obscura This will work best if: • Your classroom has an interesting view – particularly if there is something moving outside • The Sun shines on a window • The students can become part of the picture by standing in the view outside If you can meet all of these prerequisites then go ahead by: 1. Make the room completely blacked out. 2. Cover all of the windows with something opaque like thick cardboard boxes or aluminium foil. Tape together small sections to make it more manageable using something like masking or parcel tape. Use black electricians’ tape to plug any holes. 3. Make an opening in the centre of a window covering in which to trial different apertures. This needs to be a square of about 5 cm across. If you wish, make more than one pilot hole, so that several groups of students can work at the same time. 4. Make apertures out of black paper, or thick aluminium foil. The shapes and sizes of the apertures can vary, but a small, round hole will give the sharpest image. Any jagged edges produced when making the aperture need to be sanded off for safety and to prevent a blurred image. The apertures can be stuck across the hole made in the window blackout. Light must only come through the aperture, so it needs to be sealed carefully when placing it across the hole. It is better to mount the aperture onto some thick card with a hole cut in the centre for placing and fixing across the pilot hole. 5. Images can be projected onto opposite walls, or onto viewing screens. If the screen is made out of translucent material, then the images produced can be seen from both sides. Web links http://www.paintcancamera.com/pages/616184/ A very detailed website on how to construct a camera obscura and further pinhole camera designs from empty film containers (only for more deft students)! There is a good downloadable PDF file on this, and video clips of how to construct both items. The video of the camera obscura demonstrates many different effects and how they are caused. http://www.exploratorium.edu/science explorer/pringles pinhole.html A good Pringles pinhole camera site with explanations of how the images are formed. http://www.charlesdisonfund.org/Experiments/HTMLexperiments/ Chapter5/5-Expt6/p1.html Really nice, simple pinhole camera instructions. http://www.kodak.com/global/en/consumer/education/lessonPlans/ pinholeCamera/pinholeCanBox.shtml A more sophisticated pinhole camera from Kodak that uses real film! http://www.bbc.co.uk/history/historic figures/alhazen.shtml Nice, concise pieces about the life of Ibn al-Haitham. 8
  • 10. Seeing in the dark What a shot! Cameras must be one www.1001inventions.com Activity 1a of the greatest modern inventions. � How many years ago do you think the 10 first pinhole camera was invented? a 100 b 150 c 500 d 1000 � Can you show how this first pinhole camera – the camera obscura – made an image of a tree? (draw 2 lines) Not that modern for years!
  • 11. Ibn al-Haitham invented the pinhole camera in Egypt, 1000 years ago. 1 One day, as the Here's how… sunlight streamed www.1001inventions.com through a small 2 hole in the shutter Light rays from the Sun of his room. I think travel in straight lines I can explain my There's a tiny observations like They hit the tree image of a tree on this my wall. The tree reflects the light rays 11 3 4 The reflected rays travel in straight lines and go through the small hole. This explains how our eyes work too! Light is reflected When they hit the wall they make an from objects. It travels into image of a tree. This room is our eyes. my camera! Activity 1b 8 Foundation for Science, Technology and Civilisation
  • 12. 3 Make your own pinhole camera www.1001inventions.com Activity 1c sellotape Making your camera ... Using your camera ... 1 black tube Roll your black card into a tube. 1 Look down the tube Stick Sellotape round each end. towards the tracing paper. Secure the straight edge with a long piece of Sellotape. This is the screen. 2 Point the pinhole at a black tube Stand the tube on a small piece of black card. 2 brightly lit object – d Gently draw round the end of the tube. car perhaps a candle flame. k Draw a circle about 1 cm bigger all round your first circle. lac b 12 3 Cut out the bigger circle. Cut tabs in the bigger circle. Place this circle on top of the end of the tube that you drew round. Stick it on firmly with Sellotape. � What do you notice Look down inside the tube to see if any light is about the image? be leaking in around the join. If it is, use Sellotape b lack tu or black card to cover the hole. � What happens if you make Make a pinhole in the middle of this circle. the hole bigger, or a different shape, or if you tracing paper Cut a circle from tracing paper that is 2 cm 4 make several holes? k card blac bigger all round than the other end of the tube. � How could you improve be Hold the tracing paper tightly over the empty bla ck tu your camera? end of the tube and stick it down with Sellotape. © 2008 Foundation for Science, Technology and Civilisation
  • 13. Pinhole vs digital – comparing cameras www.1001inventions.com Pinhole camera ... Mobile phone camera ... lenses Image on screen Screen 13 � Light sensitive receptors capture the image Image on screen � A removable storage device stores the image Answers for pinhole camera Answers for mobile phone camera � Light enters the camera through… � The image is formed on the… � Are light rays from the Sun reflected off the tree and into the camera? � Are light rays refracted by lenses to sharpen the image? � How is the image stored: digitally (electronic 1s and 0s) or in analogue form (different shades of light)? � How small could this type of camera be? Activity 1d © 2008 Foundation for Science, Technology and Civilisation
  • 14. Activity 2 Coffee W hen was the world’s favourite drink first discovered? About a thousand-years-ago by an observant Ethiopian goat-herd, who wondered why his goats became livelier after eating berries from a certain plant. In this activity, students learn about coffee’s Book Reference: discovery before devising and doing an investigation to test the Coffee, page 12. hypothesis “does caffeine increase alertness, and if so, by how much?” Curriculum link 11-14 Programme of study 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 2.1b Assess risk and work safely in the laboratory. 2.1c Plan and carry out investigative activities. 2.2a Obtain, record and analyse data and use their findings to provide evidence for scientific explanations. 2.2b Evaluate scientific evidence and working methods. 3.3c Behaviour and health can be affected by drugs. Framework for progression in science 1.1b Applications, implications and cultural understanding (years 8 and 9) 1.2a Using investigative approaches: planning an approach (year 7). 1.2b Using investigative approaches: selecting and managing variables (year 7). 1.2c Using investigative approaches: assessing risk and working safely (years 7, 8 and 9). 1.2d Using investigative approaches: obtaining and presenting primary evidence (years 7 and 8). 2.1 Life processes (year 9). Learning objectives Students will learn: • How an Ethiopian Arab – Khalid – discovered coffee more than 1000 years ago • To devise and do an investigation to test the hypothesis that caffeine increases alertness 14
  • 15. Activity 2 Running the activity Starting the activity Distance Reaction Display Activity 2a (either projected or as an OHT). Ask small groups of the ruler time/ students to discuss these questions: How do you like your coffee? How do falls be- millisec- caffeine drinks make you feel? Then get students to guess when and where fore it is onds coffee was first discovered. caught/ cm Running the main part of the activity 5 107 Display Activity 2b, and take students through the story of how Khalid discovered the stimulant properties of coffee. Emphasise the scientific skills 6 108 he used: careful observation; wondering why; devising an investigation to 7 114 find out more. 8 121 Then give each group copies of Activity 2c and 2d, which set the main 9 128 investigation task and give an outline to guide students through the process. A failsafe alertness test is to get one student to drop a metre ruler 10 135 and another to catch it. Use the data in the table on the right to calculate 11 142 reaction times. 12 149 You may need to demonstrate the alertness test: 13 156 • Student A holds the top of a vertical ruler, with the 100 cm mark at the top. 14 163 • Student B places their finger and thumb over (but not touching) the zero 15 170 at the bottom of the ruler. 16 177 • Student B lets go of the ruler. • Student A catches the ruler between their finger and thumb. The 17 184 reading under their finger and thumb is the distance the ruler has fallen. 18 191 Some groups may well need help with considering how to make their investigation fair and reliable, and with working out what data to collect for strong evidence. Some groups will need help in designing a suitable results Current research suggests table, too. that caffeine definitely helps to keep you awake Once students have completed their plans, ask them to carry out their and that it also may investigation. Each group will need: increase your reaction time. However, it probably • A metre ruler hinders performance on • Caffeine drinks (cola is a good alternative to coffee, as it can be served complex analytical tasks. cold!) Caffeine also speeds up • Clean cups the heart and raises blood pressure, so interfering • Clean measuring jugs/cylinders – perhaps borrowed from food with sleeping. It can also technology be addictive. Running the plenary Discuss students’ investigation results and evaluations, and come to a class conclusion about whether caffeine increases alertness. Web links http://www.ase.org.uk/htm/teacher_zone/upd8/upd8_26/upd8_wired.php This Red Hot Science activity on the ASE website gives further details about ways of investigating other effects of caffeine, such as concentration, mood, memory and coordination. http://muslimheritage.com/topics/default.cfm?ArticleID=378 More information on the history of coffee. 15
  • 16. Café Costabucks www.1001inventions.com Activity 2a What can � How do you like your I get you? coffee? � How do caffeine drinks Iced latte (coffee, cola, tea, chocolate) make you feel? Should you limit your intake of caffeine?* 16 Who Cappuccino discovered Fair the world's trade favourite Double expresso – I need Frappuccino, drink? to be alert for my please! When? driving test! Strong – I've got an exam later! * WARNING: Caffeine speeds up the heart and raises blood pressure, interfering with sleeping. It can also be addictive. © 2008 Foundation for Science, Technology and Civilisation
  • 17. What they don't tell you in Café Costabucks Coffee was Should I invented more give up my day than 1000 years job to grow and ago, by an sell coffee beans? Ethiopian goat-herder and How can I be his goats. sure that coffee 17 makes humans Khalid noticed his more alert? animals becoming more lively after eating berries I need some from a certain plant. He wanted to know if the scientific berries had the same evidence! effect on humans. So he boiled some up with sugar and water to create the world's first cup of coffee. Activity 2b © 2008 Foundation for Science, Technology and Civilisation
  • 18. Does caffeine increase alertness? If so, by how much? www.1001inventions.com Activity 2c Plan a scientific Our alertness test: investigation to find out. To start with, make up an alertness test. 18 We will collect this data so that our evidence is strong and reliable: To make our test fair we will: © 2008 Foundation for Science, Technology and Civilisation
  • 19. Does caffeine increase alertness? If so, by how much? www.1001inventions.com Results: 19 Evaluation � Did our tests measure what they were supposed to? � How could we make our results more reliable? Conclusion: message to Khalid Activity 2d © 2008 Foundation for Science, Technology and Civilisation
  • 20. Activity 3 Perfume P eople have enjoyed perfume for centuries. More than a thousand years ago, Muslims chose from a wide range of scents, thanks to the hard work of two talented chemists: al-Kindi (born 801, Iraq) and Jabir ibn Hayyan (born 722, Iraq). Al-Kindi created a vast number of ‘recipes’ Book References: for a wide range of perfumes, cosmetics and pharmaceuticals. Cleanliness, page Jabir ibn Hayyan – often known as the ‘father of chemistry’ 20; Chemistry, page – devised many techniques, including sublimation, 72; Commercial crystallization, distillation, oxidation, evaporation and Chemistry, page 130. filtration, some of which were used to prepare the perfumes. This activity introduces students to the Muslim world’s perfume expertise before getting them to plan – and (optionally) produce – their own perfume from orange peel, using steam distillation. Also included are suggestions for testing their finished products. Curriculum link 11-14 Programme of study 1.2a Exploring how the creative application of scientific ideas can bring about technological developments and consequent changes in the way people think and behave. 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 2.1c Plan and carry out investigative activities. 3.2a The particle model provides explanations for the different physical properties and behaviour of matter. Framework for progression in science 1.1b Applications, implications and cultural understanding (years 8 and 9) 3.1 Particle model – separating techniques (years 8 and 9) Learning objectives Students will learn: • How Muslim scientists developed the techniques to make – and the recipes for – a wide range of perfumes • To devise a method to extract perfumed oil from orange peel 20
  • 21. s scents – research Try making a fragrance yourself. You need to extract the oil with the smell, from its Activity 3 raw material.Running found two di erent methods see below. We've the activity Starting the activity Display Activity 3a (either projected or as an OHT). Ask small groups of students to discuss these questions: What’s you favourite perfume? How does it make you feel? Why do people wear perfume? Then get students to speculate how long perfume-making has been around. Running the main part of the activity Display Activity 3b, and take students through the story of how al-Kindi and Jabir ibn Hayyan developed recipes for – and techniques to make – a wide range of different perfumes more than a thousand years ago. Display Activity 3c, which sets the task – ‘Can you work out how to make a perfume using only the materials shown on the page?’ Tell small groups to use the chart on Activity 3d to help them plan their method (each group will need a copy of this page). Many students will need guidance with this task – you might like to set up and show students the steam distillation set- up below, and ask students to imagine replacing each part of the apparatus with one piece of the equipment shown. If you wish, ask students to make perfume from orange or lemon peel. The set-up for steam distillation shown below works well – it is obviously not safe to use the equipment pictured on Activity 3c! Make sure the room is well-ventilated, as the perfume has a strong smell. Warn students to be very careful not to spill any of their perfume, as it is very slippery and difficult to clean up. thread test tube gauze bucket containing water the orange peel ice Activity 3e describes optional tests to help students evaluate their perfumes, and includes space to record judgements and – if you wish – particle explanations for some of their findings. Suggested answers to Activity 3d: Column 1: • Use the string and straight sticks to make a tripod-like contraption. • Rest one of the cups on the tripod and half fill it with water. • Place the candles under the tripod. • Rub some sticks together to make a flame. • Use the flame to light the candles. 21
  • 22. Activity 3a Running the activity continued... Column 2: • Make a hole through the centre of the cork. The bent end of the wooden tube should fit snugly in the top of the hole. • Wrap some orange peel in part of the fabric. • Use string to attach the fabric-wrapped orange peel to the cork. • Push the cork into the top of the cup, so the fabric-wrapped orange peel hangs above the surface of the water. Column 3: • Insert the bent end of the wooden tube into the hole in the cork, so the tube slopes down to the side. • Surround the tube with ice – hold it there by tying cloth round the ice and tube. Column 4: • Collect the liquid in a cup placed under the lower end of the wooden tube. • The oil will float on the water. Collect the scented oil by skimming it off the surface using the small flat piece of wood. Running the plenary Discuss students’ plans, products and tests. Emphasise that – in the Muslim world – chemists working twelve centuries ago had sophisticated techniques for making a wide range of perfumes and pharmaceuticals. Web links http://www.healthy.net/scr/article.asp?id=1712 More information on the history of perfume and al-Kindi www.parfumsraffy.com/faqs.html Commonly asked questions about perfumes. www.guerlain.com Discover your ideal fragrance. 22
  • 23. www.1001inventions.com Great scent! Mmmm – gorgeous ... what's that perfume? 23 � What's your favourite perfume? � How does it make you feel? � Why do people wear perfume? Making perfume is big business. But is it a new or ancient science? Activity 3b © 2008 Foundation for Science, Technology and Civilisation
  • 24. � People have enjoyed perfume for centuries. www.1001inventions.com Activity 3c � More than a thousand years ago, Jabir ibn Hayyan Islamic women chose from an (722 – 815, Iran). enormous range of scents, thanks Also called Geber – the mainly to two talented 'founder of modern chemistry'. chemists. My book has 107 recipes for making perfume. I've included instructions for making medicines 24 and fragrant oils, too. al-Kindi (801 – 873, Iraq). But he couldn't have Chemist, philosopher, made them without the pharmacist, physicist, purification and distillation mathematician, geographer and techniques that I astronomer. devised! © 2008 Foundation for Science, Technology and Civilisation
  • 25. Imagine that It's the year 850 in you have only � an www.1001inventions.com the Islamic world. these materials: orange There's money to be � a cork � a bent made in perfume. wooden tube Use the chart to plan � pieces of stick how to create a � a flask 25 sensational scent. � small pieces of � small flat piece � 2 candles of wood fabric � 2 cups � ice � thread or string � water Activity 3d © 2008 Foundation for Science, Technology and Civilisation
  • 26. Sensational scent: creation 1 2 3 4 We need Next we Let's surround OK. We need to Let's draw cool it down We've got to www.1001inventions.com to heat water to need to separate the the orange Activity 3e So we'll get a collect the liquid make steam. how to use the scented oil from the peel with mixture of steam so it equipment to condenses into somehow. orange peel. steam. That and orange oil Right. And we do that. a liquid How can should make vapour. need to separate the oil mixture. the liquid oil from we stop the peel falling into the evaporate. the water. water? 26 © 2008 Foundation for Science, Technology and Civilisation
  • 27. Sensational scent: testing Have you produced a popular perfume? Will it sell? Place a few drops on filter paper or a tissue and try these tests. www.1001inventions.com Name of perfume: Classification Judgement Particle explanation Is the scent: � Floral – like flowers? � Citrus – like oranges/lemons? � Herby – like leaves? � Fruity? � Woody? � Animal ? 27 Strength – how far away can Why do particles from some perfumes travel further than others? someone else detect the scent? Volatility – how quickly Why do particles of some perfumes evaporate quicker than others? does one drop evaporate? The quicker it evaporates, the more volatile it is. © 2008 Foundation for Science, Technology and Civilisation
  • 28. Activity 4 Raising Water N ext time you’re sucking up your milkshake in the local takeaway, spare a thought for al-Jazari. Over 800 years ago, in South East Turkey, he invented a double-acting reciprocating suction pump with a clever sliding crank to convert circular motion of a water wheel into a linear Book Reference: motion to drive the piston. Pulling up water using a plunger Raising water, in a tube was probably a Roman invention. In this activity, page 114. students will figure out how this early pump worked, in order to learn about hydraulics and simple machines. Curriculum links 11-14 Programme of study 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 3.1b Forces are interactions between objects and can affect their shape and motion. 3.2a The particle model provides explanations for the different physical properties and behaviour of matter. Framework for progression in science 1.1a1 Scientific thinking: developing explanations using ideas and models (years 8 and 9) 1.1b Applications, implications and cultural understanding (years 8 and 9) 3.1 Particle models (year 9) 4.2 Forces (years 8 and 9) Learning Objectives Students will: • Explain how difference in air pressure can move liquids • Apply this idea to construct an argument for how a water pump works Running the activity Starting the activity Display Activity 4a (either projected or as an OHT). The context for the activity is related to a simple form of al-Jazari’s invention 800 years ago for drawing water from rivers to irrigate the fields above, using a suction pump. Get students to brainstorm ways they can think of moving liquids. Lead them to the idea of using the force of air pressure to move a liquid. You can demonstrate this using a manometer. • Set up a manometer (U-tube) filled with liquid and made visible with ink. Attach a piece of flexible clear plastic tubing to it, to allow water to be sucked up (Get the technician to soak the end in sterilising solution) 28
  • 29. Activity 4 Running the activity continued... • With the help of the students, show how gentle sucking on one side of a manometer changes the levels. On the sucked side the level goes up, while it goes down on the other side that is exposed to atmospheric pressure. Take care to make sure water is not sucked all the way up or blown out! • Ask pupils to see if they can find similarities between the U-tube being sucked on one side and sucking up liquid out of a glass. You can get pupils to demonstrate the latter in two ways: one, sucking water out of a glass with a straw and two, by using a syringe to suck water up a piece of clear tubing. Give pupils a few moments to discuss in pairs their explanations of why the levels change. Direct the discussion towards the idea that ‘sucking’ is actually atmospheric pressure that is pushing the water up. Discussion can bring in the particle model and/or the weight of air to explain where atmospheric pressure comes from. Running the main part of the activity Display Activity 4b, which shows a simpler form of al-Jazari’s water pump invention. Instead of his double-acting reciprocating pump, this activity relates to a single piston pump. Set them the task of constructing an argument of how it works, using air pressure. Students can work in groups and are supported by the statement cards on Activity 4c. They can cut these out, select the most relevant ones, and re-order them to build their explanation. Less able students will need help with this activity. You might like to ask more able students to work out and explain how the pump works without giving them the statement cards. One possible correct answer is: Cards G, F, I, E, A, B, C, H, J, D 1. Animals or people pull up the handle. 2. The plunger moves up the copper cylinder. 3. Air pressure drops inside the tube, making the flap of the inlet valve open. 4. Water starts to rise from the river, and into the cylinder. 5. The cylinder becomes full of water. 6. Animals or people push down the handle. 7. Water begins to flow out of the cylinder. 8. The flap of the outlet flap is pushed open. The flap of the inlet valve falls closed. 9. Water goes through the pipe and watering heads, over the fields. 10. The cylinder empties and the flap of the outlet valve falls closed. Web Links http://www.muslimheritage.com/day_life/default. cfm?ArticleID=188&Oldpage=1 More information about al-Jazari’s inventions, including an animation of ‘al-Jazari’s water pump’ which you can download http://www.gabarin.com/ayh/Notes/Notes%202.htm Details of the invention of the suction pump 29
  • 30. 1001 inventions Let's travel back in time 800 years www.1001inventions.com Activity 4a You are a famous engineer called Al-Jazari, living in Turkey. The king has set you a difficult task. He needs more water on his fields so they can produce more food. 30 But the farmers are breaking their backs by carrying it from the river below. C Can you invent a device that will irrigate the fields automatically? © 2008 Foundation for Science, Technology and Civilisation
  • 31. Handle You have come up with a design Plunger www.1001inventions.com for the world's most efficient One-way water pump yet. outlet valve Copper piston Pipe to take water to fields Thin Thick hinge leather C Can you strap Watering heads persuade the 31 caliph it will One-way inlet valve work? Fields Sucked open C Construct a scientific argument using the statement River Squashed closed cards. Activity 4b © 2008 Foundation for Science, Technology and Civilisation
  • 32. Raising water www.1001inventions.com Activity 4c A B C D C The cylinder C Animals or C Water begins to C The cylinder becomes full of people push flow out of the empties and the water. down the cylinder. flap of the outlet handle. valve falls closed. E F G C Water starts to C The plunger C Animals or 32 rise from the river, moves up the people pull up and into the copper the handle. cylinder. cylinder. H I J C The flap of the C Air pressure C Water goes outlet flap is drops inside the through the pipe pushed open. tube, making the and watering The flap of the inlet flap of the inlet heads, over the valve falls closed. valve open. fields. © 2008 Foundation for Science, Technology and Civilisation
  • 33. 33
  • 34. Activity 5 Puzzling Plants M any hundreds of years before Linnaeus developed our current system of classification (back in 1753), Muslim scientists were collecting vast numbers of plant species and sorting them according to their uses. Their knowledge of herbal medicines was extensive Book Reference: and impressive, and coupled with access to information on Herbal Medicine, earlier attempts to classify plants, they developed sophisticated page 180. methods of classifying the living world. One Muslim scientist – Ibn al-Baytar of Malaga, Muslim Spain – studied 3000 plant species and their medical properties, and recorded his findings in a vast encyclopedia. The scientific skill of ‘try it and write what it does’ goes back a long way! In this activity, students classify useful plants before exploring the pros and cons of herbal medicine in today’s world. Curriculum links 11-14 Programme of study 1.2a Exploring how the creative application of scientific ideas can bring about technological developments and consequent changes in the way people think and behave. 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 2.2b Evaluate scientific evidence and working methods. 3.3d All living things…can be classified. Framework for progression in science 1.1b Applications, implications and cultural understanding (years 8 and 9) 2.2 Variation and interdependence (year 7) Learning objectives Students will: • Learn about the pioneering work of Muslim scientists on plant classification • Explore the pros and cons of herbal medicine in today’s world 34
  • 35. Activity 5 Running the activity Starting the activity Display Activity 5a (either projected or as an OHT). Point out the differences in plant knowledge between pre-Enlightenment Europeans and scientists from the Muslim world. Ask students, in small groups, to • discuss the three questions at the bottom of the page • classify the plants on cards made from Activity 5b into sensible groups. Ideally, make the cards before the lesson. Encourage students to draw out these points in their discussions: plants were used as remedies, for food, clothing and building; Muslim scientists were particularly interested in recording the medicinal properties of plants; they used the skills of collecting, observing, recording data and classifying. Ideally, make the cards before the lesson. Encourage students to try different methods of classifying the plants on the cards; part way through this activity, reveal that Muslim scientists were particularly interested in classifying plants according to remedy, and get students to try doing this themselves. Running the main part of the activity Ask students – either individually or in small groups – to read the information ‘from the packets’ of herbal and conventional remedies (Activity 5c, 5d, 5e), decide which ones they would choose if required, and justify their choices. Their answers can be used to discuss issues such as: 1. How do we know the remedies are effective (what evidence is there)? 2. Perceptions about herbal remedies being more natural or ‘better’ than artificial ones, especially with the sleeping pills example where the active chemicals in both the herbal and the conventional medicine are essentially the same (alkaloids) 3. Should we always use drugs (natural or artificial) anyway? 4. Whether there is enough information on the sheets to make informed decisions. Ask students to prepare for the debate, as described on Activity 5f. Make sure you have some students planning to speak for each ‘side’! Then run one large debate or get students debating in small groups. Running the plenary Lead a discussion to bring out the following points: • Much of what scientists do today involves trial and error • Hundreds of years ago Muslim medics and plant scientists gathered vast amounts of knowledge about plants. Many of their findings are still useful in today’s world 35
  • 36. Activity 5 Running the activity continued... Possible extension Ask students to carry out research to investigate how people of different cultures use plants in their everyday lives. You could ask student to focus on just one plant, and to produce some or all of the following: • A fact file about the plant, including a description of its properties and uses. • A map showing where the plant grows and how different cultures use it. • A timeline showing how the uses of the plant have changed. • An modern advertisement for a remedy containing extracts from the plant. • A giant model of the plant for display, incorporating information about how and why the plant is used today. Web links http://observer.guardian.co.uk/magazine/story/0,11913,1157031,00.html This is an article discussing the new EU regulations (from a particular viewpoint!) http://www.muslimheritage.com/topics/default.cfm?articleID=525 More details about the work of the Muslim scientists in this activity http://muslimheritage.com/topics/default.cfm?ArticleID=515 An article about agricultural developments in the Muslim world 36
  • 37. 37
  • 38. Puzzling plants 13th Century, Islamic World 500 – 1500, www.1001inventions.com Activity 5a We know loads about Europe plants. They're amazing! We're only interested in plants we can eat. There aren't many of them. 38 I've observed and classified thousands of plant species. It's taken years! Look – here's the plant encyclopaedia I wrote – it's massive! Why did Muslim Discuss Classify the 12 scientists collect � What do you think people in the Muslim world used plants for? useful plants on so much plant � What do you think scientists wrote down about plants? page 2 into knowledge? � What scientific skills were these early scientists using? sensible groups. © 2008 Foundation for Science, Technology and Civilisation
  • 39. Coconut Palm Peppermint Jojoba Banana Ginger Mentha piperita Simmondsia Musa sp. Zingiber chinensis offincinale www.1001inventions.com Agrimony Agrimonia eupatoria Part used: whole plant – mostly nut Part used: seeds Uses: Part used: fruit and Part used: rhizome and leaves leaves Part used: whole Uses: Part used: whole � lubricant Uses: plant plant Uses: � biofuel � floor polish � helps digestion Uses: Uses: � food � food � cosmetics � reduces nausea � heals wounds and � helps digestion � cooking � thatching � to treat skin � reduces cold and bruises � reduces nausea problems like � roofing material flu symptoms � heals digestion � decongestant burns, sores and � weaving baskets � flavouring � improves bladder 39 Myrrh � flavouring acne control � possible future fuel Commiphora Lady's Mantle Aloe Vera molmol Alchemilla Alo barbadensis Empress Cotton Garlic Allium Gossypium sp. vulgaris Candlestick sativum Senna alata Part used: bulb Part used: sap from Uses: leaves Part used: gum resin from stem � protects against Uses: Part used: leaves Uses: heart disease � speeds wound Uses: � kills fungi and Part used: whole healing � treats fungal � fights gum Part used: seed head plant infections bacteria � laxative diseases Uses: � clears chest Uses: � cleans wounds � treats skin � treats stomach � making fibres for infections � controls bleeding problems like problems � reduces bruising weaving into cloth �controls diarrhoea � flavouring sunburn � making soap Activity 5b © 2008 Foundation for Science, Technology and Civilisation
  • 40. 1 In the 21st century, would you still choose herbal medicine? Herbal medicine My comments www.1001inventions.com Activity 5c Garlic capsules A traditional remedy for the symptoms Conventional medicine of coughs and colds. Can also benefit the Anadin paracetamol heart and circulatory system. Has anti- If I were suffering from bacterial properties too. cold and flu symptoms, For the effective relief of mild to I would take moderate pain including headache, migraine, toothache, period pains, aches Contains because… and pains, rheumatic pain, feverishness Soya bean oil and garlic oil in a gelatine and symptoms of colds and influenza. capsule. 40 All natural ingredients – no known side Contains effects. Paracetamol and hydroxypropyl methyl cellulose (E464). Do not take with any other paracetamol-containing products. Immediate medical advice should be sought in the event of an overdose, even if you feel well. Do not take if: � you are suffering from kidney or liver disease. � you are allergic to paracetamol or any of the other ingredients listed. © 2008 Foundation for Science, Technology and Civilisation
  • 41. 2 In the 21st century, would you still choose herbal medicine? Herbal medicine My comments www.1001inventions.com Neem Conventional medicine is a powerful anti-bacterial and anti-fungal herb that is PanOxyl Bar extremely bitter, with powerful Helps clear existing If I were suffering from detoxifying chlorophyll, and acts as acne blemishes and spots, I would take an invaluable skin and blood cleanser. helps prevent the development of new It is very effective for normalising gut because… acne pimples, blackheads and whiteheads. bacteria. Contains 41 10% Benzoyl Peroxide. Cetostearyl Contains alcohol, cocamidopropyl betaine, corn Extract and powder of Neem Leaf. starch, glycerin, hydrogenated castor oil, mineral oil, PEG-14M, silicon dioxide, sodium potassium lauryl sulfate, titanium Do not use if pregnant dioxide, water. Side effects This product may cause irritation, characterized by redness, burning, itching, peeling, or possible swelling. Keep away from eyes, lips, and mouth. Avoid contact with hair and fabrics. Activity 5d © 2008 Foundation for Science, Technology and Civilisation
  • 42. 3 In the 21st century, would you still choose herbal medicine? Herbal medicine My comments www.1001inventions.com Activity 5e Californian poppy Conventional medicine Contains alkaloids and in particular one called californidine. This plant is a Sleeping pills If I were having natural hypnotic: it prepares difficulty in sleeping, e.g. zopiclone for peaceful sleep and reduces sleeping I would take If they haven't been prescribed to you problems, particularly nightmares, personally then it is illegal to take them. waking during the night and difficulties because… in falling asleep. It is also an anxiolytic 42 and a sedative: it helps anxious people of Contains all ages recover and have a calm life Zopiclone, lactose, hydroxypropyl without stress. methyl cellulose, microcrystalline cellulose and sodium starch glycollate. Contains Californian poppy aerial flowered, part Side effects powder? Daytime drowsiness and a bitter taste in the mouth. Do not use if pregnant Warnings Dependence can develop after as little as one week of continuous use. © 2008 Foundation for Science, Technology and Civilisation
  • 43. The EU is debating new laws to control herbal medicines Plan to play a part in the debate. and food supplements. www.1001inventions.com Choose one of these roles: Daily News: New laws may hit herbal remedies � are vital to protect citizens New European regulations may soon prevent the sale of many of Britain's favourite food supplements. Opinion about the new � the director of a shop chain that sells regulations is sharply divided. Some believe them to be a vital safety herbal medicines. measure, and say that they will prevent the sale of substances that may be harmful. Others believe the laws are yet another example of the EU I'm convinced I unnecessarily interfering with people's lives. escaped a cold this year as a result of taking those Fighting sickness garlic supplements 43 In the UK, we realise that diet is directly linked to our health. We regard vitamin and mineral supplements as foods, not medicines. Many people buy these supplements – and herbal medicines – as part The products for sale must of their fight against illness. be proven to be safe Restricted list Soon, only those vitamins and minerals listed by the European Union Food Supplements Directive will be able to be sold legally. To start Chemicals are chemicals – with, this will mean the loss of at least 270 nutrient supplements. Later, they can be dangerous all nutritional supplements will be scrutinised. whether herbal or synthetic Herbal medicines hit too The EU plans to restrict the sale of herbal medicines, too. Without laws, some It proposes a register of herbs which have been 'in safe use for manufacturers could make 30 years'. It will not be possible to use newly discovered herbal false claims about products medicines immediately. Activity 5f © 2008 Foundation for Science, Technology and Civilisation
  • 44. Activity 6 Pharmacy E ight hundred years ago, the Muslim world had sophisticated pharmaceuticals and regulated strict rules for their sales. The earliest inspector was a woman appointed by Caliph Umar, 640 CE, in the city of Medina. In this activity, students take on the role of a government Book Reference: inspector (al-Muhtasib) checking pharmacists and their Pharmacy, page 184. medicines in 12th century Baghdad. They are charged to check out a rumour that a local pharmacy is selling a cheap imitation of a stomach medicine, and to use practical techniques to come to an evidenced conclusion. Curriculum link 11-14 Programme of study 1.3a Recognising that modern science has its roots in many different societies and cultures, and draws on a variety of valid approaches to scientific practice. 2.1a Use a range of scientific methods and techniques to develop and test ideas and explanations. 2.1c Plan and carry out investigative activities. 2.2a Obtain, record and analyse data and use their findings to provide evidence for scientific explanations. 2.2b Evaluate scientific evidence and working methods. 3.2c Elements and compounds show characteristic chemical properties and patterns in their behaviour. Framework for progression in science 1.2a Using investigative approaches: planning an approach (years 7 and 8). 1.2d Using investigative approaches: obtaining and presenting primary evidence (years 7 and 8). Learning objectives Students will learn • That the Muslim world had sophisticated pharmaceuticals and strict rules for their sales eight hundred years ago • To evaluate a product using a neutralisation reaction 44
  • 45. Activity 6 Running the activity Starting the activity Display Activity 6a (either projected or as an OHT). Ask small groups of students to discuss which stomach cure they would buy – and why.. Then get them to discuss what they expect out a visit to the pharmacy. Encourage them to come up with answers such as ‘Nothing that’s going off ’; ‘a pharmacist who knows what s/he is doing’ and ‘to be told the correct dosage’, as well as those already given on Activity 1. Then emphasize the point that shoppers in 12th century Baghdad had the same high standards, and that government inspectors (al-Muhtasib) made sure that regulations were adhered to. Running the main part of the activity Activity pages 6b, 6c and 6d – stomach-ache powders Display Activity 6b. Emphasise the reference books and the wide variety of medicines that were available in the Islamic world more than 1000 years ago. Use this page to set the task – to find out which one of five pharmacists at the market is selling a contaminated stomach-ache cure. Ask small groups to suggest ways of tacking the task. You might like to ask groups to devise – and follow – their own method of identifying the culprit. Alternatively, continue as suggested for Activities 6b and 6c below. Give each group a copy of Activities 6c and 6d. Groups follow the instructions to identify the contaminated sample. It is well worth quickly working through the practical yourself before the lesson. Equipment and materials needed: Per group: • 5 100 cm3 beakers • 0-10 cm3 measuring cylinder • Spatula • 5 containers in which to collect powders A, B, C, D and E • Stirring rod Access to: • Powder samples labelled A, B, C, D, E • There is just one powder that is different from the rest – a 50:50 mixture of baking powder and salt. The other four samples are simply baking powder with a small quantity of salt added so that the difference in powders is not obvious just by looking at them. • 0.5 mol/dm3 hydrochloric acid • Universal indicator • Balance Activity pages 6e, 6f, 6g and 6h – drug capsules Display Activity pages 6e and 6f to describe blood capsules – ancient and modern – to students. Then display Activity 6g. Ask students to use your school investigation planning sheets to plan how to find out how squashing the ‘drug capsule’ (teabag) affects how quickly the ‘drug’ comes out. 45
  • 46. Activity 6 Running the activity continued... A very effective way of doing this investigation is to use light sensors with data logging equipment, as pictured on Activity page 6h. If you decide to do this, you will need to demonstrate the use of the light sensors before asking students to plan their investigations. Students will then record the transmission of light on a graph over about 2 minutes. Depending on the type of teabags used, students may need to pierce the teabag and tie a piece of string through the hole so that they can immerse the teabag in hot water, and then move the teabag around so it doesn’t block the light sensor. Running the plenary Ask groups to compare their findings – are their conclusions consistent? Then get small groups to discuss – or lead a class discussion about – other circumstances in which measuring might have been a useful part of Muslim pharmacists’ work to develop and test new medicines. Web links http://www.muslimheritage.com/topics/default.cfm?ArticleID=224 More information on Muslim contribution to chemistry http://www.muslimheritage.com/topics/default.cfm?ArticleID=226 How drugs were made a thousand years ago 46
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  • 48. Which would you buy? www.1001inventions.com Activity 6a Medicines that do what they say they'll do To be given the amount I'm 48 paying for – no less! Safe medicines Muslim shoppers in twelfth century Baghdad, Iraq, expected the same high standards. And, just like in twenty-first century Europe, they sent out quality control inspectors (al-Muhtasib) to check that pharmacists were obeying the regulations. © 2008 Foundation for Science, Technology and Civilisation
  • 49. There's a rumour that one of the market pharmacists has mixed a cheap and useless www.1001inventions.com powder with his stomach-ache cure. Baghdad City Council Your work today, al-Muhtasib, is to test the powders and find the 49 culprit. Then we can think of a suitable punishment… Al-Razi's Headache Ibn Sina's Compound acne ointment Sabur ibn Sahl's cough Herbs syrup Activity 6b © 2008 Foundation for Science, Technology and Civilisation
  • 50. Testing stomach powders www.1001inventions.com Activity 6c � Today, you will test stomach-ache cures from 5 pharmacists. � One stomach-ache cure is contaminated with a useless powder. � Follow the instructions to find out which … 1 Collect a sample of stomach-ache powder from each pharmacy stall. 2 Weigh each sample. Write the 3 Put 5 cm3 of dilute hydrochloric masses in the table (column 2). acid in each beaker. A B C D E 50 4 Add 4 drops of universal indicator to each beaker. 5 Add one spatula-full of stomach-ache powder A to the acid in beaker A. Stir. Keep adding the powder, one spatula at a time, until you see a green colour. The stomach-ache powder has now neutralised the acid. Write down the number of 6 Weigh what is left spatulas you have added. A of your sample of stomach-ache 7 Calculate the mass of stomach- powder A. Write ache powder you added by this mass in the subtracting the mass in column 4 8 Repeat steps 5 to 7 for table (column 4). from the mass in column 2. powders B, C, D and E. © 2008 Foundation for Science, Technology and Civilisation