Across
- 1. when the plates move apart
- 6. When plates move
- 8. when the plate goes under the other plate
- 9. shakes the ground
Down
- 2. a deadly hill
- 3. Layer that wraps around the earth
- 4. A layer below by the core above by the crust
- 5. the center of earth
- 6. a super continent
- 7. a planet we live on