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Chapter 8
| Question | Answer |
|---|---|
| Isostasty | equilibrium between continental and the denser mantle below it. |
| subsidence | the downward vertical motion of earth's surface |
| uplift | upward vertical motion of earth's surface |
| tension | stress that pulls something apart |
| compression | squeezing stress |
| strain | change in the shape of rocks caused by rocks |
| ocean trenches | are deep underwater troughs created by an oceanic plate |
| volcanic arc | curved line of volcanoes that forms parallel to a plate boundary |
| transforms fault | blocks of crust slide horizontally past each other |
| fault zone | area of many fractured pieces of crust along a large fault |
| Folded mountains | made of layers of rocks that are folded |
| Fault-block mountains | parallel ridges that form where blocks pf crust move up or down along faults |
| plain | extensive area of level or rolling land |
| basins | area of subsidence and regions with low elevation |
| plateaus | flat regions with high elevations |