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12 Cards in this Set
- Front
- Back
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What word is used to identify the ramains or traces of past life found in the Earth's crust?
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fossils
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What is a shaking of the ground caused by the sudden release of energy in Earth's crust?
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earthquake
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What is the name of an ancient "supercontinent" that a theory suggests contained all of Earth's land 225 million years ago?
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Pangea
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What is the process of breaking rock into soil, sand, or other tiny pieces?
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erosion
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What word means "a physical feature of the Earth's surface"?
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landform
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What is an opening in Earth's crust through which lava flows?
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volcano
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What is the process of dropping, or depositing, sediment in a new location?
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deposition
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What is the name for the theory of how Earth's continents move over its surface?
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continental drift
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What is Earth's hottest layer; the center layer of Earth?
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core
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What is the layer of rock beneath Earth's crust?
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mantle
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What is hot, soft rock from Earth's lower mantle?
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magma
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What is the downhill movement of rock and soil because of gravity?
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mass movement
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