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Plate tectonics

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    plate tectonics
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  • hot liquid rock in the mantle is called _______ whereas the liquid rock that emerges from a volcano is called _______
    Mamga, Lava
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  • Describe Alfred Wegener's Theory of Continental Drift.
    The Earth's crust is separated into sections called plates. The plates are slowly drifting across the Earth's surface.
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  • Which term is used to describe the upper portion of the mantle where convection currents occur?
    Asthenosphere
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  • Which term is used to describe the continuous heating and cooling of magma within the mantle?
    convection currents
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  • Which layer of the earth is hottest?
    Inner core
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  • What 3 major forms of evidence did Wegener use to support his theory of Continental Drift? List 2
    Landforms, Climate, Fossils
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  • Continental crust is primarily made up of what type of rock?
    Granite
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  • What name did Alfred Wegener give the "supercontinent" ?
    Pangea
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  • What term describes where one plate comes in contact with another?
    Plate boundary
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  • What type of plate boundary is shown in the diagram below?
    Convergent
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  • What type of plate boundary is shown in the diagram below?
    Divergent
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  • What type of plate boundary is shown in the diagram below?
    Transform
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  • The Himalayan Mountain range was formed by which type of plate boundary?
    Convergent
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  • What process in Earth's mantle do scientists believe is driving the movement of the plates?
    convection currents
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  • The Mid-Atlantic Ridge formed along which type of plate boundary?
    Divergent (oceanic to oceanic)
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  • What process occurs when one plate sinks beneath another plate because it is more dense?
    subduction
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