The most famous scientist Father of science

1. GALILEO GALILEI
1564-1642
 FATHEROFOBSERVATIONALASTRONOMY
 FATHEROFMODERNPHYSISCS
 FATHEROFSCIENTIFICMETHOD
 FATHEROFSCIENCE
ITALIANPHYSICIST
ASTRONOMER
ENGINEER
PHILOSPHER
MATHEMATICIAN

2. EDUCATION
 Public school ,Pisa (1569-1574).
 At age 11 ,Got sent off to a Jesuit Monastery.
 At the 15, wanted to become A Monk but his father
wanted him to study medicine because there was more
money in medicine.
 So , his father took him out of the Monastery.
 At age 17, entered Pisa university to study medicine.
 At age 21, he gave up his courses in medicine and gave
up without completing a degree and began teaching
math privately.

3. HIS LOVE FOR MATHEMATICS
INVENTIONS
 Thermometer
 Compass
 Telescope
 Pendulum clock;
 Isochronism
 The oscillation period of pendulums
of equal length is constant.
 Independent of mass and its amplitude.

4. DISCOVERIES
LAW OF FALLING BODIES
 Law states that “In the
absence of air resistance,
objects of different masses
will fall at the same speed and
will hit the ground at the
same time if they are dropped
from same height”
 Disproved Aristotle’s theory.
 Independent of their masse
and have the same acceleration.

5.  The sun and moon revolve
around the earth, and the other
planets revolve around the sun.
GEOCENTRIC TYCHONIC HELIOCENTRIC
 Aristotle concept: “God
fixed the earth upon its
foundation not to be
moved forever “
 Galileo concept: “Earth spins
daily on axis and makes an
annual journey”
 He was ordered to say that
The earth does not move.
 He was like “Yeah ,the earth
does not move .then he said In
a whisper “but it moves”