Plate Tectonics Flash Cards

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Title: Plate Tectonics
Description: Plate Tectonic vocabulary words and their definitions
Number of Cards: 10
Save Count: 0
Author: patricia.noonan16
Created: 2002-10-23
Tags: earth earthsciences
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    • Question
    • Answer
    • Side 3


    • spreading centers


    • areas where the tectonic plates are moving apart

    • plate Tectonics

    • The study of the formation and movement of the earth's plates



    • sliding boundaries

    • where two plates are sliding past each other, the San Andreas is an example


    • lithosphere


    • the portion of the crust and the upper mantle that makes up the tectonic plates


    • converging boundary


    • where two plates move toward each other


    • continental drift


    • the theory that the continents were once one large land mass and it broke into pieces that moved apart


    • asthenosphere


    • the layer within the mantle that the tectonic plates rest on


    • collision boundary


    • where two plates crash into each other


    • fault


    • a break or crack Earth's crust along which movement has occured


    • subduction boundary


    • converging boundary where one plate sinks below another overriding plate