Across
- 1. a vibration that spreads away from focus when an earthquake happens
- 5. a cone formed by build up of lava, over and over
- 8. a huge crack in the Earth's crust
- 14. the sliding of an ocean plate under another when they collide
- 15. plates slide past each other
- 17. the layer between Earth's crust
- 21. rocks form flat layers
- 22. a cup like hollow that forms at the top of a volcano around the vent
- 23. place where magma flows out
- 24. device that detects the shaking of Earth's crust during an earthquake
- 25. steep sided cone that forms from eruptions
Down
- 2. hot, molten rock, below the Earth's surface
- 3. plates are moving apart from each other
- 4. the idea that a super continent split into pieces
- 6. magma that reaches the Earth's surface
- 7. heat from below the Earth's surface
- 9. the point directly above the focus
- 10. giant ocean waves formed when earthquakes occur
- 11. name of super continent
- 12. Earth's rocky surface
- 13. boundary where plates collide
- 14. a wide, sloped cone
- 16. energy released by earthquake
- 18. where earthquake starts
- 19. Earth's surface is broken into plates
- 20. hot part of Earth's mantle