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11 Cards in this Set
- Front
- Back
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igneous rocks
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rocks formed when hot and melted rock material cools and hardens
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magma
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molten rock material that forms deep within the Earth is called magma
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rock classification system
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rocks are grouped into three types
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lava
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magma that reaches Earth's surface
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granite
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an igneous rock that forms when magma has a long time to cool below the surface. This is one of the most common forms of igneous rock.
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cementation
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a process where sediments are bound together
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sediment
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organic and inorganic material formed from erosion
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sedimentary rock
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rocks that form at the Earth's surface when sediments harden into rock.
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metamorphic rock
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rock made from the changing of igneous or sedimentary rock. This rock forms from existing rocks because of the changes caused by heat
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texture
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the size and shape of mineral grains AND the way in which the grains are arranged in a rock
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fossil
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any remains or evidence of an organism that lived in the past--Evidence may include an organism's footprint
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