Explore how rivers shape valleys, carve out channels and build landforms. This KS3 Geography quiz looks at erosion, transport and deposition along different parts of a river’s course.
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You can find more about this topic by visiting BBC Bitesize - Rivers and Water
A source is often a spring where water can be seen coming out of the ground. Sometimes the flow of a spring is very low and it is just a marshy spot on the hillside with a small stream trickling away from its lowest point
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Contraflow is a way of controlling road traffic!
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Formed if the meander is cut off from the main river when the river flow rate is high e.g. during a flood
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Low-lying land formed from deposited material
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The bed of a river in its early stages is usually rocky but in its final stages near its mouth, the river bed is usually mud
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The river erodes a meander, which becomes more and more 'horseshoe' shaped. As the two ends of the 'horseshoe' meet, the river can break through, cutting off the meander from the flow of the river. Silt is then deposited at the ends of the meander as the flow is slower, creating the ox-bow lake
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Alluvial soil makes good farmland
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Some river basins can be huge
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It is an area where erosion is high and is situated where the water coming over the waterfall lands
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Two rivers can have their sources only a few metres apart but if they are on opposite sides of a watershed, their mouths could be hundreds of kilometers apart
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