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EARTHQUAKES ch.2

1st 15 words

AnswerQuestion
A force that acts on rock to change its shape or volume. stress
stress that stretches rock so it becomes thinner in the middle tension
stress that squeezes rock until it folds or breaks compression
stress that pushes masses of rock in opposite directions,in a sideways movement shearing
A type of fault where the hanging wall slides downward; caused by tension in the crust. normal fault
the block of rock that forms the upper half of a fault hanging wall
the block of rock that forms the lower half of a fault footwall
A type of fault where the hanging wall slides upward; caused by compression in the crust. reverse fault
A type of fault in which rocks on either side move past each other sideways with little up or down motion. strike-slip fault
a forward fold in rock formed by compression of the crust anticline
a downward fold in rock formed by compression in Earth's crust syncline
a large area of flat land elevated high above sea level plateau
the shaking that results from the movement of rock beaneath Earth's surface earthquake
the point beneath Earth's surface where rock breaks under stress and causes an earthquake focus
the point on Earth's surface directly above an earthquake's focus epicenter
Created by: 6bscience112
 

 



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