SettlementNewHomes

8-1 Coasts

2 Cliff and headland erosion

Geog123 book 2

pages 8-9 1.3 The waves at work

pages 10-11 1.4 Landforms created by the waves

Old Harry Rocks, Purbeck - the cliff is breached with a cave and inlet.

2 lessons

Old Harry Rocks, Purbeck - showing wave notch, cave/arch and wave-cut platform

The processes of cliff erosion

hydraulic action

abrasion

attrition

solution

look at page 10 – How a wave-cut platform is formed. Explain how a wave-cut platform is formed, and why the cliff retreats.

How headlands are eroded.

fault enlarged by wave action

caves excavated

arches created by caves meeting under the headland

arch collapses to leave an offshore sea stack
sheet 1C Sort out the seaside muddle. Cut out the sketches which show how a stump is formed and paste them into the printed sheet 8-2 Headland Erosion, using information from the storybook at the bottom of page 10.
Complete the exercise Stack Sketch by labelling a sketch of photograph of a headland with the labels provided in Stack sketch labels

Coasts 2 Cliff and headland erosion

Coasts 3 Longshore drift