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.

Identify the two types of wave.

Destructive and constructive

What word describes the movement of a wave down a beach?

Backwash

What word describes the movement of a wave up a beach?

Swash

What is the fetch of a wave?

The distance a wave has travelled

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Which type of wave has a strong swash and a weak backwash?

Constructive

Which type of wave builds beaches?

Constructive

Describe the swash and backwash of a destructive wave.

Weak swash, strong backwash

What is a wave?

constructive waves Click to Flip
Constructive Waves Video
A wave is a disturbance on the surface of the sea or ocean, in the form of a moving ridge or swell.

What 3 factors affect the size of waves?

Fetch, wind speed and wind duration
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