Enlightenment

4. first European to make regular observations
6. someone who studies wisdom
7. based on the belief that reason is the chief source of knowledge
9. was a prolific and influential composer of the Classical era
10. sun-centered, conception of the universe offered a a more accurate explanation
11. a systematic procedure for collecting ans analyzing evidence
13. English philosopher with few scientific credentials

1. native of Poland,a mathematician,published a book On the Revolutions of the Heavenly Spheres
2. Earth is at the center of the universe
3. began by thinking and writing about the doubt and uncertainty
5. took a next step in destroying the Ptolemaic system
8. a period when philosophers believed that they could apply the scientific method and use reason to explain human nature logically
12. showed a few signs of brilliance until he attended Cambridge University