Across
- 3. the force that pulls 2 objects together
- 8. the cloud that started the creation of the solar system
- 9. how heavy something is
- 10. this object keeps all planets in orbit and replaced the solar nebula
Down
- 1. the earth_____the sun
- 2. The scientist who first discovered gravity
- 4. the force that keeps an object moving
- 5. we are on earth, and earth is in_____
- 6. how far away 2 objects are from each other
- 7. how big something is