Across
- 3. Object spinning on it's axis
- 4. Preserved remains of a dead organism
- 6. When the moon is dark and not visible
- 7. Synonym of revolution
- 9. Object spinning around another object
- 10. Force that keeps everything in place and from floating into space
- 11. Distinct layer of rock
- 13. Earth is in between the moon and sun
- 15. Temperature change caused by the tilt of earth's axis
- 16. Name of outer planets
Down
- 1. oldest rock layers on the bottom, youngest on the top
- 2. When the moon is fully illuminated
- 5. Name of inner planets
- 8. Moon is in between the earth and sun
- 12. Imaginary line that runs from the north to south of an object
- 14. Wearing down and taking away materials such as soil, rock, and sediment