Across
- 6. wrote a book called "Principia" that is one of the most important books in the history of modern science
- 7. suggested that the planets move in oval paths, or ellipses, around the sun
- 9. developed the heliocentric theory
- 10. Egyptian astronomer that theorized the geocentric theory
- 11. English mathematician that came up with the theory of gravity
Down
- 1. developed the scientific method
- 2. French thinker who wrote the statement "I think, therefore I am"
- 3. advanced the study of the human body by performing dissections on dead human bodies
- 4. proved that all matter is made up of certain elements
- 5. built his own telescope and also created the pendulum to improve clocks
- 8. English scientist who began using a microscope that led him to discovering cells