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10 Cards in this Set
- Front
- Back
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What is a rock?
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a naturally occurring solid mixture of one or more minerals or organic matter
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What is a mineral?
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a naturally formed, inorganic solid that has a definite chemical structure
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What is the rock cycle?
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the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again
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What is igneous rock?
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Rocks formed by the cooling and solidifying of molten materials. Igneous rocks can form beneath the Earth's surface, or at its surface, as lava.
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What is sedimentary rock?
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Rock that has formed through the deposition and solidification of sediment
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What is metamorphic rock?
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Rock that was once one form of rock but has changed to another under the influence of heat and pressure
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What is a fossil?
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the trace or remains of an organism thatlived long ago, most commonly preserved in sedimentary rock
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What is the earth's crust?
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the thin and solid outermost layer of the Earth above the mantle
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What is the earth's core?
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the central part of the Earth below the mantle
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What is the earth's mantle?
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the layer of rock between the Earth's crust and core
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