Flashcard – Waves
What causes waves?
Waves are caused by the transfer of energy from the wind to the sea due to the friction of wind on the water’s surface.
Which type of wave has a strong swash and a weak backwash?
Constructive
Which type of wave builds beaches?
Constructive
What is a wave?
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A wave is a disturbance on the surface of the sea or ocean, in the form of a moving ridge or swell.
What word describes the movement of a wave up a beach?
Swash
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Identify the two types of wave.
Destructive and constructive
Describe the swash and backwash of a destructive wave.
Weak swash, strong backwash
What is the fetch of a wave?
The distance a wave has travelled
What word describes the movement of a wave down a beach?
Backwash
What 3 factors affect the size of waves?
Fetch, wind speed and wind duration
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