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| The thin and solid outermost layer of the Earth above the mantle |
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| The layer of rock between the Earth's crust and core |
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| The central part of the Earth below the mantle |
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| The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle |
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| The soft layer of the mantle on which the tectonic plates move |
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| The strong, lower part of the mantle between the asthenosphere and the outer core |
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| A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle |
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| The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations |
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| The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies |
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| The theory that explains how large pieces of the Earth's outermost layer, called tectonic plates, moved and change shape |
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| The boundary formed by the collison of two lithospheric plates |
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| The boundary between two tectonic plates that are moving away from each other |
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| The boundary between tectonic plates that are sliding past each other horizontally |
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| Stress that occurs when forces act to squeeze an object |
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| Stress that occurs when forces act to stretch an object |
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| The bending of rock layers due to stress |
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| A break in a body of rock along which one block slides relative to another |
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| The rising of regions of the Earth's crust to higher elevations |
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| The sinking of regions of the Earth's crust to lower elevations |
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| The bending, tilting, and breaking of the Earth's crust; the change in the shape of rock in response to stress |
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| The sudden return of elastically deformed rock to its undeformed shape |
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| A wave of energy that travels through the Earth, away from an earthquake in all directions |
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| A seismic wave that causes particles of rock to move in a back and forth direction |
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| A seismic wave that causes particles of rock to move in a side to side direction |
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