The distance the wind blows over the surface of the water
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What is the swash?
When a wave breaks, water is washed up the beach
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What is a backwash?
The water runs back down the beach
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How are destructive waves created?
They are created in storm conditions
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What is Hydraulic Action?
Air may become trapped in joints and cracks on a cliff face. When a wave breaks, the trapped air is compressed which weakens the cliff and causes erosion.
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What is Abrasion?
Bits of rock and sand in waves grind down cliff surfaces like sandpaper.
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What is Attrition?
Waves smash rocks and pebbles on the shore into each other, and they break and become smoother
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What is Solution?
Acids contained in sea water will dissolve some types of rock such as chalk or limestone
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