Across
- 2. two plates moving away from eachother
- 6. apart of ocean floor
- 7. movement of large crustal plates
- 9. two plates colliding into eachother
Down
- 1. type of rock
- 3. a sudden and violent shaking of the ground
- 4. sideways and downward movement of the crust
- 5. a big eruption from earth's crust
- 8. two plates passing by eachother
- 10. splitting apart of a single tectonic plate