Erosional Landforms Quiz

What major landforms are created on discordant geological coastlines?

• Headlands and bays

• Geos

• Coves

• Shore platforms

What process ensures that headlands become the focus of erosion

• Wave refraction

• Wave diffraction

• Sub-aerial processes

• High wave energy

What are formed on headlands as a result of wave refraction?

• Caves

• Arches

• Stacks

• Stumps

Why do headlands and bays form?

• Wave refraction

• Differential erosion

• Concordant coastline

What process in the coastal system happens at headlands and bays?

• Positive feedback

• Negative feedback

What do sub-aerial processes do to the coastal landscape?

• Remove rock from cliff faces

• Weaken the existing geological structure

• Transport sediment along beaches

What sub-aerial processes are most common at coastlines?

• Freeze-thaw

• Hydration

• Salt crystallisation

• Thermal expansion

What geomorphic processes most commonly erode coastlines?

• Hydraulic action

• Attrition

• Abrasion

• Solution

Where does coastal erosion take place?

• Inter-tidal zone

• Upper cliff

• Below low tide

Which of these does sub-aerial processes affect most?

• Cave

• Arch

• Stack

• Stump