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