Y8 Lesson 8 Coasts

What is erosion?

• The wearing away of material

• The wearing away and removal of material

• Material being dropped

• The movement of material along a coastline

A constructive wave has a powerful....

• Backwash

• Wind

• Swash

• Longshore drift

Which of the following describes the transportation of material on a beach?

• Swash

• Headland

• Longshore drift

• Deposition

A destructive wave has a weak.....

• swash

• backwash

What geology is responsible for the fast erosion along the Holderness coast?

• Chalk

• Boulder Clay

• Sand

What is hydraulic action/power?

• Waves picking up rocks and throwing them at the cliff

• Rocks knocking into one another, becoming rounder

• Chemicals in the water dissolving rocks

• Wave power forcing water and air into cracks in the rock

What is this landform?

• Stack

• Stump

• Arch

• Wave-cut platform

What is this landform?

• Stack

• Stump

• Wave-cut platform

• Arch

What is this landform?

• Arch

• Stack

• Stump

• Wave-cut platform

What is fetch?

• How far the wind has travelled

• Strength of the wind

• Wave height

• Speed of the wave