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11 Cards in this Set
- Front
- Back
CRUST |
the thin and solid outermost layer of the Earth above the mantle |
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MANTLE |
the layer of rock between the Earth's crust and core |
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CORE |
the central part of the Earth below the mantle |
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LITHOSPHERE |
the solid, outer layer of the Earth that consist of the crust and the rigid upper part of the mantle |
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ASTHENOSPHERE |
the soft, plastic layer of the mantle on which the tectonic plates move |
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MESOSPHERE |
the strong, lower part of the mantle between the asthenosphere and outer core |
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TECTONIC PLATES |
a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle |
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CONTINENTAL DRIFT |
the hypothesis that states that the continents once formed a single landmass, broke up ,and drifted to their present locations |
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SEA-FLOOR SPREADING |
the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies |
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PLATE TECTONICS |
the theory that explains how large pieces of the Earth's outermost layer, called tectonic plates , move and change shape |
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CONVERGENT BOUNDARY |
the boundary formed by the collision of two lithospheric plates |