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My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Learning Objectives
1. I can classify plants based on similarities
   and differences of common observable
   characteristics.
2. I can identify the parts of a plant.
Questions to think about…

 What are the                                         How are plants
characteristics                                         classified?
  of plants?




                  My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Similar, yet different
• Plants can be
  similar or different
  in:
  o   what their plant
      parts look like
  o   whether they
      produce flowers




                   My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
What parts do plants have?
• Most plants   3

  have these
                              5
  parts:

                4
                          6


                    2



                              1
What parts do plants have?
• Roots
  o   To anchor the plant to the ground
  o   To absorb water and nutrients
Roots
  o Usually found under
    the ground
                                                          Hanging roots
  o Roots above the
    ground
  (Mangrove trees)
  o Hanging roots
    (Banyan tree)


   Mangrove trees have
http://www.ehow.com/facts_5966616_plants-roots-able-absorb-water_.html
   roots above the mud.

                              My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Roots




Root vegetables store food.
What parts do
plants have?
• Stems
  o   Supports the
      branches and
      leaves
  o   Commonly found                1. Strong stem
      above the ground              (can stand
  o   Carries food, water           upright)
      and mineral salts
      to all parts of the
      plant.
                    My Pals are Here!! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Stems


2. Weak stem

         o Creepers
         o Use walls/ fences/
           other plants for
           support
Is the potato a root or a stem?


                     It is a stem!
                      (Stem tuber)

                Stores food for the plant.
Time to think…
Q: Plants are non-living things as they do
not need to eat.
                  T/F?
                 False!

A: Plants make their own food to produce
energy to survive.
What parts do plants have?
                        • Leaves
                               o   Classify according to
                                   sizes, shapes, colours,
                                   vein patterns and
                                   edges.

o Contains chlorophyll
o Make food for the
  plant



                My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Leaves - Shape


                   2. Oval
                             4. Palm
     1. Heart




3. Round
Leaves - Edges


              2. Jagged/Toothed
              (saw/sharp)




                                  3. Lobed
                                  (rounded)
1. Entire
Leaves – Vein Pattern


1. Parallel




                          2. Net-like
Time to think…
Q:   All plants have flowers.
                    T/F?
                   False!

A: There are non-flowering plants, such
as ferns and mosses.
What parts do plants
have?
• Flowers
  o   Often the most beautiful part of
      a plant
  o   Admired for their shapes and
      colours




                    My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Time to think…
Q:   All plants have fruits.
                    T/F?
                   False!

A: Only flowering plants produce fruits
from flowers.
What parts do plants have?
• Fruits
  o   Fruits come in
      many different
      sizes, shapes
      and colours.




                       My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Fruit - Seeds
1. One seed                         2. Many seeds
        avocado



                    rambutan            dragonfruit

                                              waterm
                                                       elon



mango

                               papaya
Fruit – Skin/ Outer Covering/
              Texture
1. Smooth                   2. Hairy
                             rambutan
        waterm
                 elon




mango
                              kiwi
How can plants be classified?

                 There is a great
                diversity of plants
               around us. Can you
               think of some ways
                to classify plants?
How are plants classified?
                     • Plants that
         Flowering     produce flowers.
                       (reproduce from
                       seeds)
Plants               e.g. orchid plant


                     • Plants that do not
            Non-       produce flowers.
         flowering     (reproduce from
                       spores)
                     e.g. ferns, mosses,
                      algae
How are plants classified?
                         • Grow on soil
         Live on
           land          e.g. grass


Plants
                         • Submerged
                           (under water)
                         e.g. hydrilla
         Live in
          water          • Floating (above
                           water)
                         e.g. water lily
                   My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Water plants
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

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P3 Plants

  • 1. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 2. Learning Objectives 1. I can classify plants based on similarities and differences of common observable characteristics. 2. I can identify the parts of a plant.
  • 3. Questions to think about… What are the How are plants characteristics classified? of plants? My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 4. Similar, yet different • Plants can be similar or different in: o what their plant parts look like o whether they produce flowers My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 5. What parts do plants have? • Most plants 3 have these 5 parts: 4 6 2 1
  • 6. What parts do plants have? • Roots o To anchor the plant to the ground o To absorb water and nutrients
  • 7. Roots o Usually found under the ground Hanging roots o Roots above the ground (Mangrove trees) o Hanging roots (Banyan tree) Mangrove trees have http://www.ehow.com/facts_5966616_plants-roots-able-absorb-water_.html roots above the mud. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 9. What parts do plants have? • Stems o Supports the branches and leaves o Commonly found 1. Strong stem above the ground (can stand o Carries food, water upright) and mineral salts to all parts of the plant. My Pals are Here!! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 10. Stems 2. Weak stem o Creepers o Use walls/ fences/ other plants for support
  • 11. Is the potato a root or a stem? It is a stem! (Stem tuber) Stores food for the plant.
  • 12. Time to think… Q: Plants are non-living things as they do not need to eat. T/F? False! A: Plants make their own food to produce energy to survive.
  • 13. What parts do plants have? • Leaves o Classify according to sizes, shapes, colours, vein patterns and edges. o Contains chlorophyll o Make food for the plant My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 14. Leaves - Shape 2. Oval 4. Palm 1. Heart 3. Round
  • 15. Leaves - Edges 2. Jagged/Toothed (saw/sharp) 3. Lobed (rounded) 1. Entire
  • 16. Leaves – Vein Pattern 1. Parallel 2. Net-like
  • 17. Time to think… Q: All plants have flowers. T/F? False! A: There are non-flowering plants, such as ferns and mosses.
  • 18. What parts do plants have? • Flowers o Often the most beautiful part of a plant o Admired for their shapes and colours My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 19.
  • 20.
  • 21. Time to think… Q: All plants have fruits. T/F? False! A: Only flowering plants produce fruits from flowers.
  • 22. What parts do plants have? • Fruits o Fruits come in many different sizes, shapes and colours. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 23. Fruit - Seeds 1. One seed 2. Many seeds avocado rambutan dragonfruit waterm elon mango papaya
  • 24. Fruit – Skin/ Outer Covering/ Texture 1. Smooth 2. Hairy rambutan waterm elon mango kiwi
  • 25. How can plants be classified? There is a great diversity of plants around us. Can you think of some ways to classify plants?
  • 26. How are plants classified? • Plants that Flowering produce flowers. (reproduce from seeds) Plants e.g. orchid plant • Plants that do not Non- produce flowers. flowering (reproduce from spores) e.g. ferns, mosses, algae
  • 27. How are plants classified? • Grow on soil Live on land e.g. grass Plants • Submerged (under water) e.g. hydrilla Live in water • Floating (above water) e.g. water lily My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 29. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
  • 30. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited