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21 Cards in this Set
- Front
- Back
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What is rock?
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A solid material made up of one or more minerals or other substances including once-living things.
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By which characteristics do geologists classify rocks?
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Color
Texture Composition How the rocks are formed |
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What does texture refer to?
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Size, shape, and arrangement of a rock's grains
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What is a grain?
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One of the particles that make up a rock
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What is one method to determine a rock's composition?
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Making a "thin section."
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What are 3 major groups of rocks?
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Igneous
Sedimentary Metamorphic |
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_____ _____ forms when magma or lava cools and hardens.
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Igneous rock
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Igneous rock formed from magma beneath the surface is called _____ ______.
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intrusive rock
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Igneous rock formed from lava on the surface, it is called ____ _____.
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Extrusive rock
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____ ____ forms when particles of rock and other materials are pressed and stuck together.
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Sedimentary rock
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This force can be caused by flowing water, waves, wind, and ice, etc and moves sediment from place to place
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Erosion
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This is the process by which sediment is laid down
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deposition
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Clastic rock, organic rock, and chemical rock are three major kinds of ____ ____.
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Sedimentary rock
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Can a sedimentary rock be like a gelatin dessert with pieces of gruit mixed in?
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Yes
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____ ____ formed from remains of plants and animals is called organic rock.
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Sedimentary rock
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Sedimentary rock formed from remains of plants and animals is called ____ ____..
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Organic rock
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What is clastic rock?
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Pieces of rock that have been pressed and stuck together
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What is chemical rock?
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Crystals formed when dissolved minerals come out of solution
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Heat and great pressure deep beneath Earth's surface can change rock to _____ ____
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metamorphic rock
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____ and ____ ____ deep beneath Earth's surface can change rock to metamorphic rock.
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Heat, Great pressure
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Series of processes on and beneath Earth's surface that slowly change rocks from one kind to another
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Rock Cycle
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