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10 Cards in this Set
- Front
- Back
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lithosphere
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the crust and upper area of the mantle, consisting of plates
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theory of plate tectonics
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the idea that the earth's crust is made up of moving plates
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plate boundaries
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places where plates meet
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earthquake
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rocks along the plate boundaries shift suddenly and release stored energy causing vibrations that shake and rattle the earth's surface
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faults
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breaks in the earth's surface along which rocks can move
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thrust or reverse fault
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rocks push together until they force a section or rock upward (colliding)
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normal fault
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rocks move apart, a section of rock may fall between the separating rocks-this allows molten rock to form new land
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strike-slip fault
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rocks move horizontally past each other
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focus
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beginning point of an earthquake
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epicenter
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the point on the surface of the earth directly above the focus
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