1.1.2b - Coastal Processes Quiz

What is abrasion in the context of coastal processes?

• Dissolving of minerals in the cliff

• Water forced into cracks in the cliff

• Rocks smashing into cliffs, knocking bits off

• Roots of plants dislodging rocks

What process involves water getting into cracks in the cliff and freezing at night?

• Biological weathering

• Hydraulic action

• Solution

• Freeze-thaw

What is the zigzag movement of swash and backwash along a beach called?

• Hydraulic action

• Longshore drift

• Rockfall

• Landslide

What is the term for the movement of a mass of rocks off a cliff?

• Landslide

• Rockfall

• Abrasion

• Attrition

What forms when the deposition of sediment is high and builds out beyond a headland?

• Wave-cut notch

• Rock pool

• Spit

• Cliff retreat

What is a wave-cut platform?

• A mass of rocks falling off a cliff

• A platform left behind as a cliff retreats

• A zigzag movement of water

• A type of biological weathering

What process involves the roots of plants dislodging rocks in the cliff?

• Hydraulic action

• Biological weathering

• Freeze-thaw

• Solution

What is the result of water pressure from rivers stopping spits from forming across river mouths?

• Formation of a wave-cut notch

• Curving of spits

• Creation of rock pools

• Erosion of cliffs

What is the process called when seawater dissolves minerals in the cliff?

• Attrition

• Solution

• Abrasion

• Hydraulic action

What is most erosion between high and low tide responsible for forming?

• Rock pools

• Spits

• Wave-cut notch

• Cliff retreat