Plate Tectonics and Earthquakes
Across
- 2. Fault usually found at convergent plate boundaries
- 3. Driving force of continental drift
- 4. Formed when continental plates spread apart
- 6. A plate boundary where plates are moving towards one another
- 9. Break in the Earth's crust/lithosphere
- 10. Large wave created by an undersea earthquake
- 11. Fault with horizontal motion
- 13. Underwater mountain chain along divergent plate boundary
- 16. California's major fault
- 20. A plate boundary where plates are spreading apart
- 22. Fault usually found at divergent plate boundaries
- 23. Supercontinent (means "worldwide earth" in Greek)
Down
- 1. The west coast of North America is made up of many ___________ terranes
- 3. Process of one plate sinking beneath another
- 4. 90% of the world's earthquakes are along the
- 5. Northern supercontinent
- 7. Ancient reptile that provided fossil evidence for continental drift
- 8. Worldwide ocean
- 11. New oceanic crust is formed during _________ spreading
- 12. Instrument for measuring earthquakes
- 14. Formed when two oceanic plates converge
- 15. Southern supercontinent
- 17. The point on the Earth's surface above an earthquake's location
- 18. Discovered continental drift
- 19. __________ magnitude scale
- 20. Fault with vertical motion
- 21. A more horizontal fault found at convergent plate boundaries