Coasts assessment

Select the correct definition of fetch

• The shortest distance the waves travel
• The length of open water the wind blows over, before it meets the coast
• The length of the coastline

Select the correct definition of hydraulic action

• Waves carry bits of rock that break off from the cliff and get worn down by knocking against each other
• Waves carry material which hits the cliff, wearing it away
• Waves force water and air into cracks in the rock and help break it up

Select the correct definition of swash

• The water moving back down the beach into the sea due to gravity
• Water moving up the beach after the breaking of a wave

What is the name of this landform?

• Bay
• Cave
• Stack
• Headland

What is the name of this landform?

• Bay
• Spit
• Salt marsh
• Cave

Give one reason for the 'hooked' end to this landform.

Explain step by step how erosion leads to a stack being formed.

Select the statements that are true for constructive waves

• Strong swash
• Low wave height
• Low frequency (6-8 waves per minute)
• High energy
• Strong backwash

What can be built to stop the process of longshore drift?

Answer explanation

groyne

This is a diagram of longshore drift. What labels would you put for each letter? Ensure your answer is clear, for example.....A =