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8 Cards in this Set
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- Back
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Mineral
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a natural, nonliving solid with a definite chemical structure
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Crystals
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what minerals are made up of
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rock
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solid, natural material made up of one or more minerals
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Sedimentary rock
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a rock that is made from pieces of rock and minerals
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Igneous Rock
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type of rock that forms when magma inside the earth cools and hardens
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Metamorphic rock
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is a rock that forms when heat, pressure, or chemical reactions change one type of rock into another type of rock
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Organic matter
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any substance that is made of living thigs or the remains of living things
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Humus
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organic matter formed from decayed plant and animal remains
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