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Earth Science Gr7
Chapter 8
| Term | Definition |
|---|---|
| isostasy | the equilibrium between continental crust and the denser mantle below it |
| subsidence | the downward vertical motion of Earth's surface |
| uplift | the process that moves large bodies of Earth materials to higher elevations |
| compression | the squeezing force at a convergent boundary |
| tension | the pulling force at a divergent boundary |
| shear | parallel forces acting in opposite directions at a transform boundary |
| strain | a change in the shape of a rock caused by stress |
| ocean trench | deep, underwater trough create by one plate subducting under another plate at a convergent plate boundary |
| volcanic arc | a curved line of volcanoes that forms parallel to a plate boundary |
| transform fault | fault that forms where tectonic plates slide horizontally past each other |
| fault zone | an area of many fractured pieces of crust along a large fault |
| folded mountain | mountain made of layers of rock that are folded |
| fault-block mountain | parallel ridge that forms where blocks of crust move up or down along faults |
| plains | landform with low relief and low elevation |
| basin | area of subsidence; region with low elevation |
| plateau | an area with low relief and high elevation |
Created by:
carriel
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