Vocabulary for Plate Tectonics
Across
- 2. , a theory explaining the structure of the earth's crust and many associated phenomena resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
- 7. , an area on Earth where two or more lithospheric plates collide.
- 8. , A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.
- 11. , long, narrow depressions on the seafloor.
- 13. , remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.
- 14. ,the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
- 15. , Earth's outer layer
- 16. , is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
Down
- 1. , was a theory that explained how continents shift position on Earth's surface.
- 3. , is a linear feature that exists between two tectonic plates that are moving away from each other.
- 4. , the place where two lithospheric plates come together, one riding over the other.
- 5. flowing fluid that is moving because there is a temperature or density difference within the material.
- 6. , the solid, outer part of the Earth.
- 9. , made up of magma and rock.
- 10. , a mountain that has lava
- 12. , an intense shaking of Earth's surface.