Waves

How are waves formed?

• By the position of the sun and moon

• By the wind dragging on the surface of the water

• By fish swimming really fast

• By earthquakes happening at the bottom of the ocean

What affects how strong waves are

• backwash

• swash

• fetch

What is swash?

• Where a wave breaks in shallow water and rushes up the beach

• When water rolls back into the sea from the beach

What is backwash?

• Where a wave rolls back into the sea from the beach

• Where a wave breaks in shallow water and rushes up a beach

Which of these features describes a constructive wave?

• Material is carried up a beach and deposited.

• destroys a beach

• Has a strong backwash

• Formed in stormy weather

Which of these features describes a destructive wave?

• Has a strong swash

• The waves are very high and frequent

• Formed in calm weather

• deposits material on a beach

Which of these has will have the strongest waves?

• Between the UK and France

• Between the UK and Norway

• Between the UK and the USA

• Between the UK and Iceland