Across
- 2. The movement of one object around another
- 7. The moon’s name
- 8. The moon getting darker
- 10. Old remnants of past living things
- 14. The measurement of how far or close something is
- 15. To spin on a axis
- 16. The layers of rock
Down
- 1. The process of a dead organism turning into a fossil
- 3. Inner planets
- 4. The measurement of how much matter is in something
- 5. A cool time of year
- 6. What causes seasons
- 9. What the layers of rock are made of
- 11. The effect of gravity pulling two objects into each other in a specific way
- 12. A spot with no light
- 13. Outer planets