14 words to study
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| stress | a force that acts on an area of rock to change its shape or volume
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| tension | a type of stress that pulls on the crust
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| compression | a type of stress that squeezes rock until it folds or breakes
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| shearing | stress that pushes a mass of rock in two opposite directions
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| fault | a break in the rock of the crust where rock surfaces slip past eachother.
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| earthquake | the shaking that results from the sudden movement of rock along a fault
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| focus | the area beneath earths surface where rock that is under stress breaks triggering an earthquake.
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| epicenter | the point on the surface directly above the focus.
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| siesmic waves | vibration that travel through earth carrying the energy released during an earthquake
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| magnitude | a number that geologist assign to an earthquake based on the earthquake's size.
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| richer scale | assigns a magnitude number to an earthquake based on the size of siesmic waves.
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| siesmograph | an instroment that records and measures siesmic waves.
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| aftershocks | an earthquake that occures after a larger earthquake in the same area.
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| tsunami | earthquakes that form a large wave from the water.
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Created by:
alikat
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