Across
- 2. developed the scientific method
- 5. a Greek philosopher
- 6. found the mountains on the moon and other telescopic adventure
- 8. proposed a heliocentric system that the planets orbit around the Sun
- 9. resolution scientific and mathematical advancement during the 17th century
- 10. the theory that the sun is the center of the solar system
Down
- 1. Came up with the theory of gravity
- 3. System all theory were approved by Aristotle
- 4. the theory that the earth is the center of the solar system
- 7. a force that pull objects towards the earth