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26 Cards in this Set
- Front
- Back
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igneous rock
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Rock that forms when melted rock cools and hardens.
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deposition
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The process in which sediment settles out of water or is dropped by wind.
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sedimentary rock
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Rock that forms when sediment is cemented together.
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metamorphic rock
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Rock that forms when high heat and great pressure change existing rocks into a new form.
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weathering
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The process of wearing away rocks by natural resources.
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erosion
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The process of wearing away and moving sediment by wind, moving water, or ice.
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mineral
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A naturally occuring, nonliving solid that has a specific chemical makeup and a repeating structure.
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streak
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The color of the power left behind when you rub a mineral against a rough white tile, or streak plate.
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luster
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The way a mineral's surface reflects light.
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hardness
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A mineral's ability to resist being scratched.
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rock
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As natural substance made up of one or more minerals.
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rock cycle
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The continuous process in which one type of rock changes into another type.
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topography
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All the kinds of landforms in a certain place.
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earthquake
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A movement of the ground, caused by a sudden release of energy in the Earth's crust.
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volcano
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A mountain made of lava, ash, or other materials from eruptions that occur at an opening of the Earth's crust.
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landform
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A natural land shape or feature.
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glacier
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A large, thick sheet of ice.
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sand dune
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A hill of sand, made and shaped by wind.
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delta
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An area of new land at the mouth of a river, formed from sediments carried by the river
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sinkhole
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A large hole formed when the roof of a cave collapses.
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plate
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A section of Earth's crust and mantle that fits together with other sections like puzzle pieces.
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epicenter
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The point on Earth's surface directly above the focus of an earthquake.
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fault
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A break in Earth's crust.
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magma
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Molten (melted) rock beneath the Earth's surface.
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lava
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Molten (melted) rock that reaches the Earth's surface.
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morraine
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A collection of soil and rock deposited by a glacier.
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