Across
- 1. Gravity's strength depends on how much matter or
- 3. Scientist have done
- 5. We live on
- 6. The force that keeps us on earth
- 9. The Moon is made out of several
- 10. Comes out when it is night
Down
- 2. Light from the sun is called
- 4. There is no gravity in
- 7. Humans did not see the moon until the flight of
- 8. Under the surface of the moon is rocky