vocab - chapter 9 sections
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| erosion | natural forces move weathered rock and soil from one place to another
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| sediment | material moved by erosion
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| deposition | process in which sedment is laid down in new location
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| gravity | a force that moves rock and other materials downhill, the force that pulls objects towards each other
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| mass movement | on of several processes that move sediment downhill - landslides, mudflows
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| runoff | water that moves over the Earth's surface
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| rill | runoff travels and forms tiny groves in the soil.
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| gully | large groove or channel
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| stream | a channel along which water is continually flowing down a slope.
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| tributary | a stream or river that flows into a larger river
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| flood plain | aflat wid area of land along a river is a flood plain
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| meander | a loop-like bend in the course of a river
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| oxbow lake | is a meander that has been cut off from a river
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| alluvial fan | a wide, sloping deposit of sediment formed where a stream leaves a mountain range
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| delta | sediment deposited where a river flows into an ocean or lake builds up a land form
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| groundwater | water thtat fills the cracks and spaces in underground soil and rock layers
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| stalactite | a calcite deposits that hang from the roof of a cave
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| stalagmite | a cone-shaped calcite deposit that builds up from the floor of a cave
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| karst topography | a region in which a layer of limesonte close to the surface creataes deep valleys, caverns and sinkholes
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| energy | the ability to do work or cause change
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| potential energy | Energy that is stored and available to be used later
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| kinetic energy | the energy an object has due to its motion
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| abrasion | the grinding away of rock by other rock particles
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| load | the amount of sediment that a river or stream carries
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| friction | the force that opposes the motion of one surface as it moves across antoher surface
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| turbulence | a type of movement of water in which rather moving downstream, the water moves every which way
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