Across
- 2. what the moon undergoes every day
- 3. a push or pull
- 5. when the light on the moon gets smaller
- 7. the spinning of an object
- 8. the earth spins on this all the time
- 9. the rise and fall of ocean water
- 10. the change in the appearance of the moon
Down
- 1. the movement of an object around another
- 4. when the light on the moon gets bigger
- 6. a force that pulls two objects together