Sea Flashcards

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1
Q

Hydraulic action

A

the force of the water on the cliffs or coastal rocks. The force of water has the power to break the rocks apart.

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2
Q

Abrasion

A

when rocks and pebbles flung by waves wear the coastal rocks away.

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3
Q

Attrition

A

when eroded rock particles are worn down, becoming smaller and rounded.

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4
Q

Corrosion

A

the process whereby certain rocks and minerals such as chalk and limestone are dissolved in water.

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5
Q

Erosion by wave action is primarily caused by?

A

hydraulic action,
corrasion (or abrasion),
attrition and
corrosion.

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6
Q

A cliff

A

a very steep overlooking rock.

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7
Q

A headland

A

a narrow piece of land that projects from a coastline into the sea.

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8
Q

A bay

A

an area of ocean, sea, or lake enclosed by land but with a wide mouth that allows access to the sea.

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9
Q

A sea cave

A

a hollow opening in the base of the sea cliff formed by waves acting on weak parts of the rock.

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10
Q

An arch

A

the natural bridge formed where a cliff is subjected to erosion by the sea

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11
Q

A stack

A

an isolated pillar of rock that has been separated from a headland by coastal erosion. It is formed by the collapse of an arch.

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