Coastal Erosion and Features Quiz

What is the term used to describe the varying erosion rates of different rock types along a coastline?

• Basaltic erosion

• Sedimentary erosion

• Differential erosion

• Uniform erosion

How do headlands and bays form along coastlines?

• Due to volcanic activity

• Through uniform rock erosion

• By alternating hard and soft rock erosion

• From coral reef growth

What causes waves to break first at the headland?

• Tidal forces

• Wind direction

• Wave refraction in shallower water

• Wave acceleration in deep water

Which process involves waves compressing air in rock cracks, leading to rock fragments breaking off?

• Hydraulic action

• Attrition

• Abrasion

• Corrosion

What is a wave cut platform?

• A coral reef

• A flat area of rock at the base of cliffs

• A raised beach

• A sand dune

What must exist in a headland's rock for a cave to form?

• A weakness or crack

• A solid rock type

• A sandy composition

• A high elevation

What is the result when a cave roof collapses partially?

• A cliff

• A stack

• A blowhole

• An arch

What is the final stage of cave erosion that leads to the formation of a stack?

• Expansion of the cave walls

• Erosion of the cave floor

• Partial collapse of the cave roof

• Complete collapse of the cave ceiling

What causes honeycomb weathering on rocky shores?

• Wave impact

• Salt crystals in rock cracks

• Biological activity

• Wind erosion

What happens to salt crystals in rocks during the wetting and drying process?

• They remain unchanged

• They form new minerals

• They expand and contract

• They dissolve completely