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  Floods
What is flooding
What is a flash flood?
Why doesn't the water flow away?
Why do the same places flood?
Why do floods happen so often?
Why was the Thames Barrier built?

 
Rivers often burst their banks in floods Why doesn't the water flow away?

Rivers are formed over a large number of years by the movement of water over and through land.

The river forms so that the water will have somewhere to go.

Floods happen when more water tries to fit into a river than there is space for. The river bursts its banks.


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