Headland & Bay

What does differential erosion mean?

• The harder rock erodes faster than the softer rock.

• The harder rock erodes slower than the softer rock.

• All rocks erode at the same rate.

• Erosion does not affect rock hardness.

What is left sticking out as a result of differential erosion?

• A beach

• A cliff

• A bay

• A headland

What causes deposition and a beach to form in a bay?

• Wave refraction

• Wave diffraction

• Wave reflection

• Wave absorption

What does ABRASION refer to in coastal geography?

• The process by which rocks in the water wear the coastline away.

• The process by which water pressure breaks rocks.

• The process by which sand polishes rocks.

• The process by which air wears away the coastline.

What is HYDRAULIC ACTION in the context of coastal erosion?

• The breaking of rocks by water pressure in cracks.

• The smoothing of rocks by water.

• The deposition of materials by water.

• The transport of sediment along the coast.