Galileo Galilei Lesson for Kids: Facts & Biography

Instructor: Anna Reinking

Anni taught elementary school for eight years and is currently teaching college. She received her Ed.D. in Curriculum and Instruction.

Galileo Galilei was a revolutionary scientists who lived during the Renaissance period. During his lifetime he made many discoveries that influence our lives even today. In this lesson you will learn about this famous scientist.

Who was Galileo Galilei?

Have you ever looked up at the night sky and wondered about the stars, planets, comets, and other objects out in the universe? Well, Galileo Galilei was an Italian astronomer who did just that. He was able to study objects out in the universe. However, he was not only an astronomer, he was also a physicist, engineer, philosopher, and mathematician that lived during the Renaissance period. The Renaissance period was a time in history that lasted from 1300-1600 that focused on art and science.

Galileo Galilei

Galileo was so influential with his work in science that many people call him the father of modern science. He was born in 1564 and later died in 1642. However, during his life span he made major contributions to different fields of science.

Early Life

Galileo was born in Pisa, Italy, in 1564 to a musician and scholar. He was the oldest of six children. In 1581 he went to the University of Pisa to study medicine, but found he was more interested in mathematics. After studying for a few years at the University, Galileo made his first important discovery. He was able to describe the motion of pendulums.

Discoveries and Inventions

Galileo invented many things, such as compasses, balances, improved telescopes, and microscopes. His invention of an improved telescope in 1609 allowed him to look at and study the moons of Jupiter. This telescope also let him see the rings of Saturn, discover things about Venus, and other interesting celestial objects, or objects out in space. Once he made these discoveries he published a document describing all that he had found. He titled it The Starry Messenger.

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