Across
- 2. places where plates slide sideways past each other
- 3. two plates comes together
- 6. the part of the earth's crust that makes up the seafloor
- 9. a point at which rays of light, heat, or other radiation meet after being refracted or refracted
- 10. layer of the earth between the solid inner core and lower mantle
- 14. a large depression formed when a volcano erupts and collapses
- 16. the mostly solid bulk of earth's interior
- 18. the eruption of molten rock (magma) onto the surface of a planet
- 21. a large plume of hot mantle material rising from deep within the earth
Down
- 1. abroad runded volcano that is built up by successive outpourings of very fluid lava
- 4. a dip-slip fault in which the block above the fault has moved downward relative to the block below
- 5. sudden movement of the earth's lithosphere
- 7. two tectonic plates move away from each other
- 8. a fracture or zone of fractures between two blocks of rock
- 11. the first waves to arrive at a seismograph
- 12. a seismic body wave that shakes the ground back and forth
- 13. anything thrown into the air during a volcanic eruption
- 15. a mixture of molten and semi-molten rock found beneath the surface of the earth
- 17. comes out of a volcano
- 19. built from particles and blobs of congealed lava ejected from a single vent
- 20. is slid and 90% iron