will b
Across
- 3. a sensitive device that detects the shaking of Earth's crust during a Earthquake
- 6. the amount of energy released by an Earthquake
- 8. a cone fromed from explosive eruptions of hot rocks follwed by a flow a lava, over and over
- 11. a steep sided cone that forms from explosive eruptions of hot rocks
- 13. hot molten rock below earths surface
- 15. rides in the sea floor spreading apart the crust
- 16. the central opening in a volcanic area through which magma may escape
- 17. a cuplike hollow that froms at the top of the volcano arounf the vent
- 19. volcano a wide, gently sloped cone that forms fron flowas of lava
- 21. waves a vibration that spreads out away
- 22. sliding of a denser ocean platen under another plate when they collide
Down
- 1. A very hot part of Earth's mantle, where magma can melt through a plate moving above it
- 2. magma that reaches Earth's surface and flows out a vent
- 4. rocks form flat
- 5. the point where the Earthquake starts as rocks begin to slide past each other
- 7. super continent split apart into pieces
- 9. the layer beneath Earth's crust
- 10. solid rocky surface
- 12. a huge crack in Earth's crust at or below the surface
- 14. shaking of Earth's crust after the initial shaking of an Earthquake
- 18. tectonics broken into plates that slide across the mantle
- 20. the point on Earth's surface directly above Earth's surface