Across
- 4. Pulling rocks apart.
- 5. Study of movement in the Earth.
- 8. Crack in the Earth’s surface.
- 9. Related to earthquake vibrations.
- 13. Layer of thick rock under the crust.
- 15. Dangerous natural events.
- 17. Large sections of Earth's surface.
- 18. Squeezing rocks together.
- 19. Deep hole in the ocean floor.
- 20. Edges where tectonic plates meet.
Down
- 1. Raising of land.
- 2. Opening that lets out lava.
- 3. How tectonic plates shift.
- 6. Force on rocks that changes them.
- 7. Underwater mountain range.
- 10. The outer surface of the Earth.
- 11. Tectonics Theory of moving Earth plates.
- 12. Flat areas that are high up.
- 14. Earth's solid outer layer.
- 16. Change in shape of rocks.