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10 Cards in this Set
- Front
- Back
A natural, solid substance that has a definite chemical composition and physical structure.
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mineral
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Rock formed when melted rock hardens.
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igneous rock
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Melted rock within Earth.
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magma
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Magma that is exposed at Earth´ surface.
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lava
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Rock formed when layers of sediment settle and bind together.
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sedimentary rock
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Igneous or sedimentary rock that has been changed by pressure, heat, very hot water, or a combination of these factors.
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metamorphic rock
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The process by which metamorphic rock is formed.
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metamorphism
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All of the processes that change rock from one type to another.
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rock cycle
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The bottom layer of soil, made mostly of solid rock.
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bedrock
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The top layer of soil, made in part from broken-up pieces of lower layers of rock.
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topsoil
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