Across
- 1. Remains of ancient life.
- 3. Natural solid crystal.
- 9. Large moving ice.
- 11. Sudden ground shaking.
- 13. Air around Earth.
- 14. Wearing away of land.
- 15. Layer under crust.
Down
- 2. Earthquake measuring tool.
- 4. Tiny bits of rock.
- 5. Rock breaking process.
- 6. Center of Earth.
- 7. Mountain that erupts lava.
- 8. Melted rock underground.
- 10. tectonics Earth’s moving crust.
- 12. Giant ocean wave.