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chapter 8
| Term | Definition |
|---|---|
| Isostasy | Is the equilibrium between continental crust and the denser mantle below it |
| subsidence | The downward vertical motion of Earth's surface |
| Uplift | The upward vertical motion of Earth's surface |
| Compression | When it squeezes stress |
| Tension | Stress that pulls something apart |
| Shear | Parallel forces acting in opposite directions |
| Strain | A change in the shape of a rock caused by stress |
| Ocean trenches | Are deep, underwater troughs created 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 faults | The tectonic plates slide horizontally past each other |
| fault zone | An area of many fractured pieces of crust along a large fault |
| folded mountains | Are made up of layers of rocks that are folded |
| fault-block mountain | Are parallel ridges that form where blocks of crust move up or down along faults |
| uplifted mountains | When large regions rise vertically with every little deformation |
| basins | Areas of subisdence and regions with low elevation |
| Plain | Is an extensive area of level or rolling |
| Plateaus | Flat regions with high elevations |