Across
- 2. The force that keeps the interior of the earth liquid
- 5. Part of the California coast is part of this plate
- 6. The middle layer of Earth
- 10. A large and dangerous wave caused by an undersea earthquake
- 11. Movement along the earth's surface caused by an earthquake
- 12. The solid part of the earth
- 16. Areas under the earth where earthquake waves bounce off
- 17. The area where the edges of two tectonic plates meet
Down
- 1. An instrument that measures earthquakes
- 3. The back and forth movement caused by an earthquake
- 4. Earth movement that occurs after an earthquake
- 7. A crack in the earth's crust along which rocks can move
- 8. An instrument that measures changes in the tilt of the earth
- 9. The scientist who invented the scale used to measure earthquakes
- 13. A crack in the earth opened when two plates pull apart
- 14. The point on the earth where surface waves start
- 15. The force that keeps rocks from moving along a fault