ChestertonCC - Geo - Changing Coasts - longshore drift (7-5)

Waves are created by _.

• wind

• tides

• gravity

• boats

The part of a wave moving up the beach is called _.

• swash

• backwash

The part of a wave moving down the beach is called _.

• swash

• backwash

Waves move in a _ pattern.

• diagonal

• circle

• oval

• zig zag

Waves moving in a zig zag pattern transports sand _.

• up

• down

• along

• through

'Sand is transported along the coast by waves moving in a zig zag pattern.'

What is the name of this process?

• longshore drift

• movement

• alongshore drift

• transportation

If waves collide with flowing river water, they _ energy.

• gain

• lose

What happens when waves lose energy?

• Rocks and sand are eroded

• Rocks and sand are weathered.

• Rocks and sand are deposited.

• Rocks and sand are transported.

What does deposited mean?

• Rocks and sand are broken by waves.

• Rocks and sand are dropped by waves.

• Rocks and sand are moved by waves?

If lots of sand is deposited where a river flows into the sea, the beach can extend away from land.

What is this beach called?

• spit

• headland

• bay

• stack