Across
- 5. The point on the earth's surface above where an earthquake starts.
- 6. Huge blocks of the earth's crust.
- 7. The earth's crust is folded upwards to form a ...
- 8. A layer of molten rock underneath the crust.
- 10. Molten rock from inside the earth comes to earth's surface.
- 15. Shaking caused by an earthquake.
- 16. Melting.
- 18. The point where the seismic waves start is called...
- 19. The edges of plates.
- 20. When plates do not always move smoothly, they often stick together and then suddenly jolt apart, this causes an...
Down
- 1. Melted.
- 2. Molten rock inside the earth.
- 3. Where plates meet.
- 4. With what is an earthquake measured?
- 9. Water heated up underground rises to the surface under enormous pressure.
- 11. Plate with an ocean on the surface.
- 12. Plate with land on the surface.
- 13. A thin surface which forms the land on which we live.
- 14. Scale that measures the amount of energy released.
- 17. Centre of the earth and made of iron.