Across
- 4. Caused by earthquake activity in ocean crust
- 7. form at convergent boundaries
- 8. theory that the plates were one landmass
- 15. Fault Name of the fault in Missouri
- 16. where sea floor spreading begins
- 17. this is shrinking
- 18. Hawaii Islands formed over this
Down
- 1. is the process occurring in the mantle that is the driving force behind plate tectonics
- 2. where plates collide
- 3. Common at a transform boundary
- 5. where plates slide past each other
- 6. known for its volcanic activity around the pacific plate
- 9. where sea floor spreading ends
- 10. where rocks squeeze together
- 11. break in earth's crust
- 12. where plates spread apart
- 13. where rocks slide past each other
- 14. where rocks spread apart
- 17. name of giant super continent