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28 Cards in this Set
- Front
- Back
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Psalm 95:4
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In His hand are the depths of the earth; the hieghts of the mountains are also.
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Erosion
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the moving of weathered material from one place to another
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Sediment
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small particles of left behind soil and humus
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Deposit
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when the moving or the material stops and drop off the sediment
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Causes/Agents of erosion
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gravity, water, ice, wind
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Soil Creep
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gravity slowly pulls soil down the slpoe of a hill
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Earth Flow
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gravity slowly pulls at rocks along the side of a mountain or hill and ends with a pile of rocks at the bottom
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Earth Flow- What type of speed can it have?
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can be fast or slow
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Mud flow
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When water combines with soil. One of the fastest and most devastating mass movements.
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Where are mudflows famous for happining in?
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California
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Rockslide
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hude slabs of rock break off along cracks and faults
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Avalanche
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gravity pulls a mass of snow down the side of a mountain
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What are the 5 mass movements?
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soil creep, earth flow, avalanche, mudflow, and rockslide
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Stream Erosion
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sediment and minerals carried along by moving water
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Load
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the sediment carried by a stream
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Flood Plain
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sediment that is left, or deposited, in a flood plain area (also, an area that is likely to flood)
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Delta
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the sediment left at the mouth of the river
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What does a delta look like?
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Like the Greek letter, Delta
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Wave erosion
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force of erosion along the shore line
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Examples of wave erosion:
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wave caves, sea arches and stacks, sand bars, and barrier island
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What is a sand bar?
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sand deposits causing shallow water
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What is barrier island?
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an island along the coastline
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Wimnd erosion
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wind picks up loose sediment and carries it away
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What can be caused by wind erosion?
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Sand dunes
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Ice Erosion
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gravity pulls ice movement down a mountain
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Plucking
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a huge piece of bedrock loosened by a glacier and carried along
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Moraines
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piles of debris left behind by a glacier
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How long/deep can moraines be?
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hundreds of meters deep and hundreds of kilometers wide
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