Across
- 2. circulatory system
- 4. developed laws of planetary motion
- 6. Model proposed by Copernicus, with the Sun at the center.
- 8. Philosopher who established the scientific method
- 10. proved heliocentric theory is correct with telescope; he was unpopular with Catholic church
- 12. The period born out of the scientific revolution
- 14. a substance that is made up of atoms of only one kind
- 15. the path of a planet around the sun
Down
- 1. The Greek philosopher who began the geocentric theory.
- 3. theorizes sun is in center of the universe and doesn't go around Earth
- 5. Established by Bacon and is the way to "do science" today
- 7. theory that the earth is the center of universe
- 9. who NASA named a telescope after
- 11. Gravity, 3 Laws of Motion, and created calculus
- 13. What Galileo used to discover Jupiter's four moons
