Across
- 2. spreading The process of an Ocean trench
- 3. The process of the crust sinking downwards
- 5. The crust on the ocean floor
- 8. trench I deep trench in the ocean floor
- 11. tectonics Cracked pieces of crust
- 13. Rapid movement of the ground
- 14. Molten rock under the earths surface
- 15. A huge wave caused by an earthquake
Down
- 1. A place where materials from the earths core erupts to the surface
- 2. The shaking wave like movement of the ground during an earthquake
- 4. The movement of continents across the ocean floor
- 6. crust The crust that forms continents
- 7. Equipment that detects seismic waves in an earthquake
- 9. The starting point of an earthquake
- 10. The process of contents breaking apart
- 12. Molten rock that has erupted to the earths surface