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12 Cards in this Set
- Front
- Back
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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. |
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Divergent boundary |
The boundary between two tectonic plates that are moving away from each other. |
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Transform boundary |
The boundary between tectonic plates that are sliding past each other horizontally. |
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Compression |
Stress that occurs when forces act to squeeze an object. |
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Tension |
Stress that occurs when forces act to stretch an object. |
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Folding |
The bending of rock layers due to stress. |
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Fault |
A break in a body of rock along which one block slides relative to another. |
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Uplift |
The rising of regions of the Earth's crust to lower elevations. |
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Subsidence |
The sinking of regions of the Earth's crust to lower elevations. |
