Plate Tectonics Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| divergent boundary | when two tectonic plates are moving away from each other
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| convergent boundary | when two tectonic plates are moving towards each other
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| transform boundary | when two tectonic plates are sliding against each other in opposite directions
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| subside | to sink
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| continental drift | the gradual movement of the continents across the earth's surface
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| seafloor spreading | the formation of new areas of oceanic crust
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| convection currents | a current in a fluid that results from convection
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| boundary | a dividing line
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| Pangea | a supercontinent
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| rift | a crack or a split
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| ridge | a long narrow hilltop, mountain range, or watershed
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| trench | a long narrow ditch
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| fault | fracture in the continuity of a rock formation caused by shifting of dislodging of the earth's crust
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| Theory of Plate Tectonics | outer rigid layer of the earth is divided into a couple of dozen plates that moves across the earth's surface relative to each other
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Created by:
SandraT19
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