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5.2 - Cliffs and Marine Erosion

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✅EvaluateQuestion 1 of 21

Which process describes pebbles and sand scraping the base of a cliff?

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✅EvaluateQuestion 2 of 21

A wave‑cut notch is BEST described as:

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✅EvaluateQuestion 3 of 21

Vertical cliffs are most likely to develop on:

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✅EvaluateQuestion 4 of 21

A wide wave‑cut platform usually reduces erosion at the cliff because waves:

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✅EvaluateQuestion 5 of 21

The correct sequence of headland erosion features is:

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✅EvaluateQuestion 6 of 21

Which term refers to the sea dissolving minerals in a rock?

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✅EvaluateQuestion 7 of 21

A sea stack is:

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✅EvaluateQuestion 8 of 21

On the north‑east coast of Barbados, some cliffs slump and look less vertical. What is the MOST likely reason?

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✅EvaluateQuestion 9 of 21

A student measures a wave‑cut platform that has widened from 12 m to 24 m over time. What does this change MOST strongly suggest?

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✅EvaluateQuestion 10 of 21

Which pair of processes is MOST directly responsible for cutting a notch at the base of a cliff?

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✅EvaluateQuestion 11 of 21

A coastline shows headlands separated by bays. The BEST explanation is:

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✅EvaluateQuestion 12 of 21

A cave is most likely to begin forming in a headland where the rock has many:

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✅EvaluateQuestion 13 of 21

A sea wall is built at the base of a cliff in Saint Lucia. Which wave‑erosion process will the wall MOST reduce at the cliff base?

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✅EvaluateQuestion 14 of 21

Which statement BEST explains why a wide platform can ‘protect’ a cliff during normal (non‑storm) conditions?

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✅EvaluateQuestion 15 of 21

A hurricane sends 7 m waves onto an exposed windward coast in Dominica. Which short‑term change is MOST likely?

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✅EvaluateQuestion 16 of 21

Two headlands face similar wave energy. Headland X is massive and unjointed; Headland Y is the same rock type but highly jointed. Which is MOST likely?

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✅EvaluateQuestion 17 of 21

A cliffed coast has a platform 10 m wide in 2005 and 35 m wide in 2025. What is the average rate of platform widening per year?

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✅EvaluateQuestion 18 of 21

Which set of statements is correct? 1. Notches form mainly by hydraulic action and abrasion. 2. Wide platforms can reduce cliff erosion by lowering wave energy. 3. Sea stacks are usually formed by deposition at a river mouth. 4. Rock type and structure influence erosion landforms.

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✅EvaluateQuestion 19 of 21

A student says: ‘Platforms always stop erosion at cliffs.’ Which response is BEST?

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✅EvaluateQuestion 20 of 21

Along the east coast of Trinidad, beaches often lie between rocky headlands. Which two‑step explanation is MOST accurate?

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✅EvaluateQuestion 21 of 21

An arch collapses after the notch at its base enlarges and the roof becomes unstable. Which combination of forces is MOST responsible for the collapse?

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✅EvaluateQuestion 1 of 21

Which process describes pebbles and sand scraping the base of a cliff?

0 / 1 marks

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