Coastal Erosion and Landforms Quiz
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Questions and Answers

Longshore drift – how material is gradually moved along a coast by waves meeting the shore at an ______

angle

Abrasion – a form of erosion where pebbles and sand scrape over rocks, making them ______

smoother

Arch – a coastal feature formed when waves erode through a ______

headland

Beach – an area of sand or pebbles along a ______

<p>coast</p> Signup and view all the answers

Deposition – when waves drop what they are carrying because they run out of ______

<p>energy</p> Signup and view all the answers

Erosion – the wearing of rocks by ______ (and air)

<p>water</p> Signup and view all the answers

Hydraulic action – a form of erosion when water traps air in cracks and the force of the water itself against the cliffs can cause them to ______.

<p>crack</p> Signup and view all the answers

Rock Armour / rip rap – massive rocks are placed along a coastline to protect it from ______.

<p>erosion</p> Signup and view all the answers

Sea wall – a concrete wall built to protect a coastline from ______. These are awfully expensive.

<p>erosion</p> Signup and view all the answers

Solution – a form of erosion where sea water dissolves the mineral dissolving of rock by ______ in water.

<p>acid</p> Signup and view all the answers

Spit – a long narrow accumulation of sand and shingle that grows out from the ______.

<p>coastline</p> Signup and view all the answers

Wave Cut Platform – a flat area of rock, exposed at the base of a cliff, that has not been eroded as the cliff ______.

<p>retreated</p> Signup and view all the answers

Flashcards

Longshore Drift

The gradual movement of material along a coast caused by waves hitting the shore at an angle.

Abrasion

A type of erosion where pebbles and sand scrape against rocks, smoothing their surfaces.

Arch

A coastal feature formed when waves erode through a headland, creating an arch.

Beach

An area of sand or pebbles along a coast.

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Deposition

The process where waves deposit the material they are carrying when they lose energy.

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Erosion

The wearing away of rocks by water (and air).

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Hydraulic Action

A type of erosion where water traps air in cracks, and the pressure of the water forces the cracks open.

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Rock Armour / Rip Rap

Large rocks placed along a coastline to protect it from erosion.

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Sea Wall

A concrete wall built to protect a coastline from erosion, but very expensive.

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Solution

A type of erosion where seawater dissolves the minerals in rocks due to the presence of acid.

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Spit

A long, narrow accumulation of sand and shingle that grows out from the coastline.

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Wave-Cut Platform

A flat area of rock, exposed at the base of a cliff, formed when the cliff retreats due to erosion.

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