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15 Cards in this Set
- Front
- Back
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Volcanoes act like cooling vents by ________________ from the Earth's core.
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releasing heat
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Process that produces volcanoes when the earth's crust is heated, melts and rises to the surface.
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Subduction
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Can produce volcanoes when the earth's crust is thin enough to allow magma to reach the surface without being at a plate boundary
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Hot spot
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Liquid rock below the ground
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Magma
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Liquid rock that has been forced above ground
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Lava
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Type of volcano with gentle sloped sides, which produces lava during an eruption
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Shield Volcano
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Type of volcano with steep, cone shaped sides that mainly erupts ash.
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Cinder cone volcano
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Type of volcano that has gentle slopes then steeper slopes near the top and is a combination of the other two types.
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Composite/Strato volcano
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Where two tectonic plates collide
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Convergent Boundary
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Where two tectonic plates are moving apart
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Divergent Boundary
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Where two plates slide past each other causing friction
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Transform Boundary
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Where one tectonic plate dives beneath another
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Subduction Zone
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An eruption that contains hot ash, gas and rock fragments that rapidly descends a mountain.
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Pyroclastic flow
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An empty space formed from a large volume of magma removed from beneath a volcano that collapses the ground
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Caldera
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An area of rising magma at divergent plate boundaries that produce an undersea mountain ridge.
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mid-ocean ridge
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