Across
- 2. An opening in the Earth's crust where lava erupts
- 5. The layer of Earth between the crust and core
- 6. The rigid outer layer of the Earth
- 8. A boundary where two plates slide past each other
- 9. A sudden shaking of the ground caused by plate movement
- 11. A boundary where two plates move apart
Down
- 1. The process of one plate sinking beneath another
- 3. A boundary where two plates collide
- 4. The semi-fluid layer beneath the lithosphere
- 7. A large section of the Earth's crust
- 10. A deep crack in the Earth's surface