Chapter 10

4. The first European to make regular observations of the heavens using a telescope.
7. Came up with the idea of the universe being sun centered.
9. Inventor of the scientific method
10. One fact seemed to him to be beyond doubt his own existence
11. Where earth is the center of the universe
12. Sun centered universe
13. Made the discovery that planets' orbits around the sun were not circular, they were egg-shaped
15. A period when philosophers believed that they could apply the scientific method and use reason to explain human nature logically.

1. Argued that every person was born with a tabula rasa, or a blank mind
2. Wrote his first opera at the age of 12 and wrote the three greatest operas in the world.
3. Argued that people had adopted laws and government in order to preserve their private property.
5. A systematic procedure for collecting and analyzing evidence
6. Someone who studies wisdom, love to study
8. Maker of the three laws of motion
14. This system of thought is based on the belief that reason is the chief source of knowledge