Across
- 3. greatest astronomer of antiquity
- 6. an apple fell on his head;creating the idea of gravity
- 8. founder of microbiology
- 9. key to geometry, military science, and navigation
Down
- 1. published the book On the Revolutions of the Heavenly Spheres
- 2. a scholar or thinker
- 4. idea of human anatomy was relied upon animal direction
- 5. earth centered
- 7. states that the volume of the gas depends with the pressure applied on it
- 10. made a discovery of a comet with her husband
