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