Across
- 2. the theory that all the plates were once connected
- 3. what are strike-slip faults caused by
- 10. the area around the pacific plate with a lot of volcanos
- 12. what is one of the causes of tsunamis
- 14. what plate boundary slides past each other
- 16. what fault is under Missouri
- 18. where does seafloor spreading begain
- 19. a break in the earth's crust like the one under Missouri
- 20. what is happing to the pacific ocean
Down
- 1. that formed the Hawaiian islands
- 4. what plate boundary moves away from each other
- 5. what causes normal faults
- 6. what plat boundary collides with one another
- 7. happing in the mantle that causes continental drift
- 8. the process where ocean crust is being formed at mid-ocean ridges
- 9. at what boundary do earthquakes happen
- 11. what was it called when all the plates were once connected
- 13. old ocean floor is getting destroyed
- 15. what physical feature can form at a convergent country
- 17. at what boundry do trenches form