Across
- 2. When the moon is shaped like a "C"
- 6. Path an object takes around another object
- 7. Part of core that is solid
- 9. Molten rock
- 10. To spin around
- 12. Ice, snow, water, & rocks
- 15. All the land masses on Earth
- 16. Mixture of gases
- 17. Outer surface
- 18. All of the life on Earth
- 19. Line that divides the Earth in half
Down
- 1. All of the water on Earth
- 3. Mainly made up of molten rock
- 4. Shrinking
- 5. Includes crust and part of mantle
- 8. Growing
- 11. Rising and falling of ocean water
- 13. Includes soft flowing portion
- 14. Part of core that is liquid