Across
- 2. a mountain that erupts and spews lava
- 4. area of crust that holds water
- 7. a plate is forced below another
- 9. layer of earth between the crust and core
- 11. sudden and violent shaking of the ground
Down
- 1. the edges where two plates meet
- 3. the hot molten material that flows from volcanoes
- 5. area of crust that holds land
- 6. when plates collide
- 8. when plates pull apart
- 10. plates move side by side