Vocabulary
Who is Isaac Newton?
English physicist and mathematician Sir Isaac Newton, most famous for his law of gravitation, was instrumental in the scientific revolution of the 17th century.https://www.pinterest.com/pin/604186106233792527/
Galileo Galilei was an Italian genius that is famous for many things, most notably for his contributions to astronomy. He is responsible for discovering Jupiter's four moons, advancing telescope technology and declaring that the Earth revolves around the sun. http://www.famousscientists.org/galileo-galilei/
How many moons does Jupiter have?
What is 79?