Across
- 4. Between hills, where a river flows.
- 6. Land surrounded by water on all sides.
- 9. When the ground shakes.
- 11. scale The way earthquakes are measured.
- 12. When a volcano explodes it is an _________.
- 14. A high area of rocky land.
- 15. A deep valley with straight sides.
Down
- 1. Exploding mountains.
- 2. A large flat area of land.
- 3. plates Large pieces of land floating on the earth's surface
- 5. The break down of rocks by wind, water and plants.
- 7. A small river.
- 8. A dry piece of land.
- 10. The wearing away of land.
- 13. A high flat area of land