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Science Quiz on Earthquakes 1-28-09

earthquake the shaking that results from the movement of rock beneath earths surface.
stress a force that acts on rock to change its shape or volume
shearing stress that pushes a mass of rock in opposite directions
tension stress that stretches rock so that it becomes thinner in the middle
compression stress that squeezes rock until it folds or breaks
deformation a change in the volume or shape of earths crest
fault a break in earths crust where slabs of rock slip past each other
strike-slip fault a type of fault where rocks on either side move past each other sideways with little up or down motion
normal fault a type of fault where he hanging wall slides downward; caused by tension in the crust
hanging wall the block of rock that forms the upper half of a fault
Created by: gpc1313