Across
- 3. needed
- 5. floor on the bottom of the sea
- 7. when two plates rip apart
- 11. what may happen after an earthquake
Down
- 1. coldest season
- 2. not safe
- 4. land in the middle of the sea
- 6. when the earth shakes
- 8. mountain full of magma
- 9. shifting things under the earth crust
- 10. a low part in the ocean
- 12. bad weather