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science chapter 4
vocab
Term | Definition |
---|---|
Stress | a force that acts on rock to change its shape or volume |
tension | the stress force that pulls on the crust and thins rock in the middle |
compression | the stress force that squeezes rock until it folds or breaks |
shearing | stress that pushes a mass of rock in two opposite directions |
normal fault | forms where rock is pulled apart by tension in Earth's crust |
reverse fault | has the same structure as a normal fault,but the blocks move in the reverse direction |
strike-slip fault | the rocks on either side of the fault slip past each other sideways, with little up or down motion |
plateau | a large area of flat land elevated high above sea level |