Across
- 2. hot molten rock
- 3. a big crack in the earth's surface
- 7. earths solid rocky surface
- 9. plates sliding past each other
- 10. the amount of energy released by an earthquake
- 11. a very hot part of the earth's mantle
- 13. the idea that a super continent split apart into pieces
- 16. a sensitive device that detests earths shaking crust
- 19. magma that reaches the earths surface
- 21. the point on Earth's surface directly above the focus
- 22. moving apart from each other
Down
- 1. heat from below the Earth's surface
- 4. giant ocean waves formed when an earthquake occurs
- 5. the central opening in a volcano
- 6. broken into plates
- 8. many kinds of rocks form flat horizontal layers
- 12. the name for the largest super continent
- 14. the point of the earth where an earthquake starts
- 15. a vibration that spread out away from the focus
- 17. a cup like hollow formation
- 18. the boundary where plates collide
- 20. the sliding of a denser ocean plate under another plate when they collide.