Earthquakes

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created 4 years ago by Miriah_Lawrence
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super easy lesson on earthquakes
Grade levels:
3rd grade
Subjects:
science, 3rd grade
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Aftershock

a smaller earthquake that occurs after a larger earthquake.

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Compression

a type of stress that squeezes rock, causing it to break or fold.

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Earthquake

movement of the ground caused by the release of energy from a sudden shift of rocks in Earth's crust.

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Crust

the outer layer of the earth.

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Epicenter

the point on Earth's surface directly above the focus of an earthquake.

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Fault

a break in Earth's crust where movement of rock occurs.

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Magnitude

the measurement of the total strength or amount of energy released by an earthquake.

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Shearing

a type of stress that pushes two adjacent areas of rock in opposite directions.

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Stress

a force that causes rock to change shape.

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Tension

a type of stress that stretches rock and makes it thinner.