Across
- 1. today is?
- 4. air that sinks
- 7. second wave to arrive
- 9. outer layer of Earth
- 12. what happens to temp. as you go deeper down
- 13. part of core that is solid
- 15. molten rock inside earth
- 16. supercontinent
- 17. thickest layer of Earth
- 18. points for late work
- 20. means breakable
Down
- 2. school mascot
- 3. idea of Continental Drift
- 5. air that rises
- 6. first wave to arrive
- 8. part of core that is liquid
- 10. describes the crust
- 11. records Earthquake waves
- 14. molten rock on Earth's surface
- 19. gas, liquid or paste
