Galileo Galilei was an Italian scientist born in 1564 who made several important inventions and scientific discoveries. He invented the thermometer, compass, and telescope, and also proposed the idea for the pendulum clock. Galileo had a relationship and children with Marina Gamba but never married. He taught mathematics and was a professor of physics at the University of Pisa. In his later years, Galileo went blind and died in 1642.

1. Galileo Galilei

2. Contents
• Basic Information
• Family life
• Galileo’s relationship
• Virgina Galilei
• Livia Galilei
• Vinzenzo Galilei
• Inventions

3. • Galilean Thermometer
• Compass
• Telescope
• Pendulum Clock
• Galileo’s Education
• Death
• Glossary

4. Basic Information
• Born in Pisa, Italy
• Born February 15, 1564
• Roman Catholic
• Died January 8, 1642
• 7 siblings (Lylia, Maria, Lorenzo, Marsen,
Diso,Giovani, and Lakel)

5. Family life
• Average money, eldest out of family
• Father was very strict about education
• Had 2 daughters with Marina Gamba
• Livia, Virgina.

6. Galileo’s Relationship
• In 1599, Starts a relationship with Marina
Gamba.
• Never gets married
• Has 2 daughters and 1 son (Vinzenzo
Galilei)

7. Virgina Galilei
• Eldest child of Galileo’s
• Born August 12, 1600
• Got married to Benedetto Landucci
• Became a nun, known as
Sister Maria Celeste

8. Livia Galilei
• 2nd Eldest child of Galileo
• Born August 18, 1601
• Galileo wrote Livia horoscope
• Became a nun, Sister Arcangela

9. Inventions
• Thermometer – Invented in late 1593,
invented at the age of 31.
• Compass – Invented in 1597, invented at
the age of 33. (In Padua)
• Telescope – Invented in 1609
• Pendulum Clock – Invented near 1640

10. Galilean Thermometer
• Built because there were nothing
that could tell the temperature
• Objects in the sealed glass
change their position depending
on temperature

11. Compass
• Created to help his students learn
• Can solve any arithmetical and
geometrical questions

12. Telescope
• One of Galileo’s best creations
• Came up with telescope because he got the
idea of improving spyglass
Discoveries with Telescope
- Moon has mountains
- 4 moons orbiting Jupiter
- Sunspots, Lunar Mountains
- Milky Way has billion stars
- Was very useful

13. Pendulum Clock
• Galileo went to a Pendulum class, and got
the idea of making a pendulum clock.
• Clock with weight to keep it’s
Timing
• Christian Huygens made the
first pendulum clock, a year after
Galileo’s death

14. Galileo’s Education
• Father wanted him to study medicine
• At the age of 11, got sent off to a Jesuit
Monastery
• At the age 15, wanted to become a monk,
but father disagreed so he took him out of
the Monastery.
• At the age of 17, Entered a Pisa University
to study medicine.

15. • At the age 21, gave up a degree, to
become a mathematic teacher.
• Began teaching math privately, in Florence.

16. Death
• Suffering fever and heart palpitations
• Got buried in a small room
• Moved his body in 1737
• (Became blind at the age of 72 because of
Cataracts and Glaucoma)

17. Glossary
• Nun – Member of religious group of
women who live together
• Jesuit Monastery – Where religious group
of men life together
• Pendulum – A chain with a heavy weight
• Arthimetic – Kind of mathematics with
involve counting
• Horoscope – A statement about what is
going to happen to a person in the future
according to stars

18. • http://en.wikipedia.org/wiki/Galileo_Galilei
• http://galileo.rice.edu/sci/instruments/ther
mometer.html
• http://www.ehow.com/facts_6543667_did-
galileo-galilei-invent-thermometer_.html
• http://library.thinkquest.org/J0112389/galile
o.htm
• http://math.berkeley.edu/~robin/Galileo/life.
html