At the coast, powerful waves attack cliffs using different erosion processes. This quiz explores hydraulic action and how it helps shape beaches, headlands, caves and arches.
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You can find more about this topic by visiting BBC Bitesize - Coastal landforms
Most of the coast of Britain is retreating
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Swash adds material to the beach
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The pebbles hammer at the cliff face and hollow out the base as a wave cut notch
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About 17 miles long - one of the longest storm beaches in Europe!
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They are long sand ridges growing out from a beach where the coastline suddenly changes direction - for example, Spurn Head in the estuary of the river Humber
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The rocks of a headland are usually a little more resistant to weathering and erosion than the rocks on either side
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A spit is created by longshore drift which is in turn created by the prevailing winds blowing on the coast. A prevailing wind is the most common wind direction, but wind can also arrive from other directions too. It is these secondary direction winds and the waves they create that can lead to the formation of a curve at the end of a spit
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Soft rock erodes to give bays; hard rock stands out as headlands
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Some sea walls are continuous and specially shaped to deflect the energy of the waves back out to sea. They are used to form the 'promenade' or 'esplanade' of seaside holiday towns to protect the town from storm damage
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They are set at right angles to the coastline
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