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Ch 8 Earth Dynamics
| Question | Answer |
|---|---|
| Isostasty | Is the equilibrium between continental crust and the denser mantle below it. |
| subsidence | When the ice melted and the water ran off, the isostatic balance was upset again. |
| uplift | In the center of Hudson bay in Canada, the land surface is still rising 1 cm each year as it moves toward isostatic balance |
| compression | Squeezing stress is |
| tension | stress that pulls something apart is |
| shear | Parallel forces acting in opposite directions are |
| strain | A change in the shape of rock caused by stress is called |
| ocean trench | Are deep, underwater troughs created by one plate sub-ducting under another plate at a convergent pate boundary. |
| volcanic arc | A curved line of volcanoes that forms parallel to a plate boundary is called a |
| transform fault | Where tectonic plates slide horizontally past each other, they form |
| fault zone | An area of many fractured pieces of crust along a large fault is called a |
| folded mountain | Are made 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 mountain | when large regions rise vertically with very little information |
| plains | Is an extensive area of level or rolling land |
| basin | Areas of subsidence and regions with low elevation are called |
| plateaus | Flat regions with high elevations are called |
Created by:
cabrecam
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