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Published on March 3, 2008

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The Life of Galileo Galilei and Sir Isaac Newton:  The Life of Galileo Galilei and Sir Isaac Newton By… Mike Claudia Michelle Zach Galileo’s Childhood…:  Galileo’s Childhood… Galileo was the first child in his family. Galileo moved about 5 times before the age of 10. In 1575, Galileo was 11, he was sent school to study languages, math, religion, music and arts. Galileo’s Childhood cont…:  Galileo’s Childhood cont… Galileo was born in Pisa, Italy, in 1564. His father moved him to Florence to study with the monks. When he was 17 he was sent to a medical school in Pisa. Galileo’s Family…:  Galileo’s Family… Galileo’s father, Vincenzo Galilei, decided that his first child would go to medical school. Galileo’s father was a musician, and he wasn’t around very much. Vincenzo died at the age of 78. Galileo’s Family Cont…:  Galileo’s Family Cont… Galileo’s mother, Guilia, decided to build their home in the countryside of Pisa, before anyone was born. Galileo lived with Muzio Tedaldi after his father died. Galileo was very supportive to his 2 younger sisters when their father died. Galileo’s Influences…:  Galileo’s Influences… While Galileo was attending a church service he noticed that a lamp was swinging back and forth, but there was no draft. He wanted to find out how this could’ve been happening, so he decided to look into it further. Then as he was exploring possible solutions, he decided to try an experiment. He had discovered the laws of the pendulum, and he suddenly realized something very important. Galileo’s Influences Cont…:  Galileo’s Influences Cont… Galileo had just discovered that the world was not, in fact, flat. It was round, and the pendulum kept moving because of the rotations it was making. He wanted to renounce this information to the world. So he wrote a book on it. He wanted to prove his elders and predecessors wrong, and he had finally done that. He was so happy. But he had no idea that soon, his blissful world would come crashing down around him. Galileo’s Influences Cont. Again…:  Galileo’s Influences Cont. Again… Galileo had become cocky. The king and queen became angry with him,and he was a disgrace to anyone related to him. And/or anyone that came near him or talked to him. He was sent to jail, and his life was truly turned upside-down. Soon Galileo’s trial had come up. He could not even defend himself, for the king and queen were the judges of the court, and they were displeased with him. They banished him from the city, and he was sent to live alone in the country. He still believed his theories, but he was quieter about them. He didn’t want to be kicked out of this peaceful santuary. Galileo’s discoveries were…:  Galileo’s discoveries were… Galileo discovered the law of the pendulum (the period doesn’t depend on the arc of the swing). The Earth revolves around the sun. Venus also revolves around the sun. More of Galileo’s discoveries were…:  More of Galileo’s discoveries were… Galileo figured out that the sun is the center of our universe. He discovered that Venus has phases and what the phases were. He also discovered some of the rings on Saturn. The Rest of Galileo’s Discoveries were…:  The Rest of Galileo’s Discoveries were… The Milky Way is a bunch of stars and not a band. He also did discover that the suns sunspots drift from one part of the sun, to another. D=T squared (distance equils time squared). Sir Isaac Newton’s Childhood…:  Sir Isaac Newton’s Childhood… Isaac was usually treated like an orphan by his parents. When Isaac was 2 he was left in the care of his grandmother. Isaac barely knew his mother, grandparents, half-brother and 2 half-sisters. Sir Isaac Newton’s Childhood Cont…:  Sir Isaac Newton’s Childhood Cont… Isaac went to a free grammar school in Granthom. Isaac’s mother took him away from school. But then, an uncle decided that he should go back. Sir Isaac Newton’s Family…:  Sir Isaac Newton’s Family… Isaac Newton was named after his father. Isaac’s father died a couple of months before Isaac was born. Isaac was born on Christmas Day, in 1642 at Woolsthrope Manor. Sir Isaac Newton’s Family cont…:  Sir Isaac Newton’s Family cont… Isaac’s father was a very, very wealthy man. His step-father and grandfather were both very bitter to Isaac. His father was also uneducated, he couldn’t sign his own name. Sir Newton’s Quotes…:  Sir Newton’s Quotes… “I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea shore, and diverting myself in now and then finding a smoother pebble or prettier shell than ordinary. Whilst the great ocean of truth lay undiscovered and unexplored before me.” Sir Newton’s Human Influences…:  Sir Newton’s Human Influences… Copernicus Kepler Descartes Sir Isaac Newton’s discoveries:  Sir Isaac Newton’s discoveries Sir Isaac Newton discovered many things. Newton discovered gravity. Newton discovered calculus in 1665. Newton also discovered light. He discovered the three laws of motion. He also discovered the reflecting telescope. Newton and gravity:  Newton and gravity One day an apple fell on Isaac’s head. He wondered why it fell down in a straight line. So he decided to study gravity. After he discovered gravity he discovered that gravity goes much further than earths atmosphere. He discovered that the earth’s gravity pulls on the moon to keep it in orbit. He also discovered that the sun’s gravity pulls on the earth to keep the earth in orbit around the sun. Isaac Newton and Calculus:  Isaac Newton and Calculus At 22 years old Isaac knew more math than anyone in the world. Newton was a recluse, and kept coming up with new ideas. Calculus dealt with objects in motion. It also dealt with bends like if the road curved. He didn’t tell anyone about his new math because he was afraid of being criticized. Isaac and light:  Isaac and light Newton wanted to study light and colors after calculus and gravity. Robert hook believed that light was made of waves and that waves for each color had different strengths and rhythms. Newton thought he was wrong. So he tried to prove it . He closed his shutters and allowed a small beam of light into his room. He placed a prism between the shutter and a wall 22 feet away. When the sun went through the prism a spectrum of all the colors of the rainbow appeared on the wall. Isaac and light continued:  Isaac and light continued He noticed that they formed an ablong shape on the wall. He thought that the prism bent the colors at different directions. Scientists thought that the prism darkened the light into other colors. But Isaac proved them wrong by passing light through 2 prisms that the colors did not get darker. By passing the light trough 3 overlapping spectrums on the wall he showed that they combined to make white. Once again he didn’t tell anyone. Newton’s three laws of motion:  Newton’s three laws of motion Newton got tired of calculus and decided to study force and impact. This was called mechanics. He used his mathematics and theories of gravity to come up with his three laws of motion. Every object at rest stays at rest unless acted upon by an outside force. If in motion, it travels in a straight line unless acted upon by an outside force. The outside force is related to the direction and the increase in speed of the object. To every action there is an equal and opposite reaction. Bibliography:  Bibliography Biographies of Mathematicians,http://www.andrews.edu/~calkins/math/biograph/bioggali.htm Anderson,Margaret. Isaac Newton. Enzlo Publisher Inc. 1992. MacLahlan, James. Galileo Galilei. Oxford Portraits in Science. 1992 Lippicott, Kristen. Astronomy. Dorling Kindersley Publishing Inc. 1992. http://www.-groups.dcs.st-and.ac.ulc/~history/mathematics/newton.html. 1987. Isaac Newton http://www.-groups.dcs.st-and.ac.uk/~history/mathematics/Galileo.html, 1980, Galileo. Fisher, Leonard. Galileo Galilei. Macmillian Publishing Company, New York. 1992. Bibliographies Cont…:  Bibliographies Cont… Fisher, Leonard. Galileo Galilei. Macmillian Publishing Company, New York. 1992. Slide26:  Galileo Galilei Sir Isaac Newton 1575-1653 1642-1727

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