Across
- 1. The outer rigid layer of the earth.
- 5. Feature that forms at Convergent Boundaries
- 8. A crack in earths lithosphere.
- 10. The Pacific ocean is getting _______.
- 12. ___________ drift is the theory that the plates are in constant movement
- 13. Plate boundary that moved together
- 14. __________ currents occur in the mantle and drive plate movement.
- 16. The fault line in Missouri
- 18. Plate Boundary that moves in different directions past eachother
- 19. Fault where plates slide past another
Down
- 2. Fault where plates move together
- 3. Fault where plates squeeze together
- 4. Valley that forms at divergent boundaries
- 6. A supercontinent that once incorporated almost all the landmasses on Earth.
- 7. A large segment of earth's crust that moves
- 9. Where old ocean floor gets destroyed.
- 11. the upper layer of the earths' mantle
- 15. The Atlantic ocean is getting ______.
- 17. Plate boundary that spreads apart