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21 Cards in this Set
- Front
- Back
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Erosion
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the wearing away of land by water, wind, waves, ice, and other agents
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Rock Weathering
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the process that breaks up rocks and causes them to decay.
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Sediment
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small particles of mud, sand, or gravel created by rock weathering
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Glaciers
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a thick mass of ice that moves slowly across Earth's surface
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Lava
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melted liquid rock, or magma, from within Earth that spills out on the planet's surface
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volcano
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an opening in Earth's crust through which lava flows; the surface feature created by the lava
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fold
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a feature of Earth's crust created by the bending of rock layers.
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fault
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a feature of Earth's crust created by the breaking and movement of rock layers below the surface.
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Earthquakes
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the shock waves, or vibrations, caused by movement along a fault
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Landforms
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a shape on Earth's surface
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Plains
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a nearly flat area of land
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Plateaus
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an elevated flatland
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Plate tectonics
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theory that Earth's crust is divided into several rigid slow moving plates
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Mid-ocean ridge
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a chain of mountains on the ocean floor formed when molten rock rises from below the seafloor to fill openings created by plate movement.
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Abyssal plains
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a large, flat area on the ocean floor
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subduction
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the process in which a tectonic plate collides with and dives under another tectonic plate
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Trench
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a long, deep valley on the ocean floor caused by subduction
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relief
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the difference in elevation between the top and bottom of a landform
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floodplain
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a landform of level ground built by sediment deposited by a river or stream.
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Alluvial Fan
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a fan-shaped deposit of sediment located at the base of a mountain
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Delta
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the landform at the mouth of a river created by deposits of sediment
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