Tectonic plates
Across
- 3. A dead volcano
- 5. An opening in a planet's crust that allows hot lava to escape the mantle
- 7. Hanging wall moves upward
- 9. Normal fault where the hanging wall moves down
- 12. The process in which rocks change when under stress
- 14. A volcano that still could erupt but has not in a while
- 15. A break in rock
- 16. A machine that measures and records earthquakes
- 18. A record produced by a seismograph
- 19. Rock layers bend under stress and pressure
Down
- 1. When a plate moves under a continental boundary
- 2. Coming Apart
- 4. A supercontinent
- 6. Coming together
- 8. Rock, ash and gas that move really fast out of a volcano
- 9. Two plates slide against each other in opposite directions
- 10. The mantle and crust
- 11. An extra hot area of the mantle that melts the crust and makes volcanos
- 13. The study of earthquakes
- 17. Strike slip fault