Flashcard – Waves

Which type of wave builds beaches?


What is the fetch of a wave?

The distance a wave has travelled

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


Identify the two types of wave.

Destructive and constructive

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



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 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.

Describe the swash and backwash of a destructive wave.

Weak swash, strong backwash

What 3 factors affect the size of waves?

Fetch, wind speed and wind duration

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

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