Across
- 2. the old way to say chemistry.
- 5. the relation between the sun and planets.
- 8. a person who studies space.
- 10. a new method used in this time period.
Down
- 1. the force that attracts a body towards the center of the earth.
- 3. main interests were philosophy and astronomy, first name Nicolaus.
- 4. a famous scientist known for his laws of motion etc.
- 6. something you can look through (used in astronomy).
- 7. another word for theory.
- 9. main interests were philosophy and astronomy, first name Nicole.