Waves and tides
Lesson 7 / 12
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Lesson outcome
I can explain what waves and tides are and I can identify and describe different types of waves.
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Waves are powered by the wind and tides are controlled by the gravitational pull between the moon and Earth.
The stretch of open water over which the wind blows is called the fetch.
Constructive waves have a powerful swash and a weaker backwash.
Destructive waves have a powerful backwash and a weaker swash.
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This content is by Cashar and published under an open licence.