Across
- 4. Earths outer layer
- 5. when two plates crash
- 7. when two plates move apart
- 9. when two plates slide past each other
- 10. a sudden, violent shaking of the ground
Down
- 1. massive,irregular shaped slab of rock
- 2. the layer in between the crust and core
- 3. super-continent
- 6. used to measure earthquakes
- 8. the hottest layer of Earth