Year 11 Coasts

Waves are caused by...

• Moonlight

• Gravity

• Friction

• Sunlight

Select the characteristics of destructive waves.

• Strong backwash compared to swash

• Weak backwash compared to swash

• High in relation to length

• Long in relation to height

• Frequent - 15 per minute

Constructive waves create...

• Steep beaches

• Gently sloping beaches

What type of erosion does this image represent?

• Corrasion

• Attrition

• Solution

• Hydraulic Action

What process does this image represent?

• Solution

• Gabions

• Traction

• Longshore Drift

Select the landforms that have been created by erosion.

• Headlands

• Beaches

• Spits

• Wave cut platform

• Caves, arches, stacks and stumps

Select the famously known example of an eroded headland with caves, arches, stacks and stumps...

• Giant’s Causeway

• Old Harry Rocks

• Whitepark Bay

• Lake District

Sandy beaches are gently sloped and shingle beaches are steep. What one word process is the cause of the difference between these beaches?

Select the conditions that are needed for spits to form.

• Constant supply of material

• Coastline has a sudden change in direction e.g. headland

• No winds

• Longshore drift operates most of the time

• Groynes

What else forms at a stabilised spit?

• River

• Salt marsh

• Wave cut notch

• Cove