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7 Cards in this Set
- Front
- Back
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Plates
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A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust.
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Scientific Theory
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A well-tested concept that explains a wide range of observations.
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Plate Tectonics
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The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.
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Divergent Boundary
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A plate boundary where two plates move away from each other.
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Rift Valley
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A deep valley that forms where two plates move away from each other.
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Convergent Boundary
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A plate boundary where two plates move toward each other.
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Transform Boundary
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A plate boundary where two plates move past each other in opposite directions.
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