Geography

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Transportation
the movement of materials down the river
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solution
carries soluble materials such as calcium carbonate dissolved in the water
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suspension
carries small particles in the faster flowing rivers, the particles are carried long distances in the flow of the river
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saltation
carries sand and small gravels in the faster flowing rivers, the small stones bounce and skip along the river
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traction
carries larger gravels, cobbles and boulders. Only happens in high energy rivers, bed load rolls along in contact with the river bed
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deposition
when the river loses its energy and it drops what it is carrying
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erosion
where the bed and the side banks can be worn away by either the force of the water or other means
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hydraulic action
where the water crashes into small gaps in the side banks, compressing the air and forcing the rocks apart
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attrition
where the flowing water picks up rocks which smash into eachother, wearing them down into smaller rounder particles
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abrasion
where the water picks up rocks from the river bed and forces them to smash against the river banks, making the banks wider
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corrosion
where minerals such as calcium carbonate are dissolved in the river water causing remaining parts of the banks to collapse, widening the river banks
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Other cards in this set

Card 2

Front

carries soluble materials such as calcium carbonate dissolved in the water

Back

solution

Card 3

Front

carries small particles in the faster flowing rivers, the particles are carried long distances in the flow of the river

Back

Preview of the back of card 3

Card 4

Front

carries sand and small gravels in the faster flowing rivers, the small stones bounce and skip along the river

Back

Preview of the back of card 4

Card 5

Front

carries larger gravels, cobbles and boulders. Only happens in high energy rivers, bed load rolls along in contact with the river bed

Back

Preview of the back of card 5
View more cards

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