plate tectonics
Across
- 2. a sudden violent shaking of the ground
- 4. a chunk of crust that moves
- 6. crust
- 8. combinations close together
- 9. to be different
- 10. to change
Down
- 1. mountain that shoots lava
- 3. a long narrow ditch
- 5. ocean plate a thick rock that lies under the ocean floor
- 7. plates plate that is thicker and less dense