Across
- 4. Oval shape
- 5. A major change in European thought
- 8. The original thinker of heliocentrism
- 9. "I think therefore I am".
- 13. An English doctor who made advances in human anatomy
- 17. An English statesman and writer
- 18. Isaac Newton made these
- 19. Astronomer who found out how the planets orbit
- 20. A logical procedure for gathering information
Down
- 1. A man who believed Earth was the center of the universe
- 2. Creator of the first telescope
- 3. Promoting excellence in science for the benefit of humanity
- 6. A judicial procedure
- 7. A force
- 10. Galileo's book
- 11. The earth is in the center
- 12. The sun is in the center
- 14. The creator of the three laws of motion
- 15. The theory of the ultimate nature of reality
- 16. This person studies planets