Across
- 4. Boundary where 2 plates slide
- 6. Boundary where 2 plates collide
- 7. a mountain that erupts
- 10. thin crust under the oceans
- 11. a shaking of the ground
- 12. a large chunk of crust
Down
- 1. When one plate slides under another
- 2. the cycle of rising, falling & sinking
- 3. Boundary where 2 plates divide
- 5. the nickname for the Pacific plate
- 8. the thick crust we live on
- 9. The supercontinent