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EARTHQUAKES ch.2
1st 15 words
| Answer | Question |
|---|---|
| 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