coasts Flashcards

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1
Q

What is atrition

A

when material such as rocks and stones carried by waves hit and knock against each other making them smaller and smaller

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2
Q

what is abrasion

A

when rocks and other materials carried by the sea are picked up by strong waves and thrown against the coastline causing more material to be broken off and carried away by the sea

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3
Q

what is fetch

A

the distance the wave travels (the bigger the distance the bigger the wave )

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4
Q

what is erosion

A

where the action of the sea wears away and creates landform

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5
Q

what is transportation

A

the action of the waves moves sedimet ( sand and rocks ) along the coastline

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6
Q

what is deposition

A

is where the sediment gets deposed most comon on beaches

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7
Q

what are the 9 different uses of a coast

A

dregging
farming
fishing
ports
wind power
settelments
leisure
industry
defence

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8
Q

what is wind duration

A

how long the wind is blowing for

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9
Q

what is wind strength

A

how strong is the wind blowing

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10
Q

what is a headland

A

a headland is a clif that sticks out to the sea they are made of hard rock so they are more resistant to abrasion and is surrounded by water in the 3 sides

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11
Q

what is a bay

A

a bay is a crescent-shaped indentation in the coastline found between two headlands it usally has a beach wich is composed of sand or shingle

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12
Q

what are prevailing winds

A

winds that come from a certain direction which is the most common

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13
Q

where does longshore drift go

A

longshore drift goes in one direction

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14
Q

Label the wave

A

crest , wave length , wave hight , throught , still water level

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15
Q

concordant coastline

A

is the band of one rock type that runs parralel to the coastline

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16
Q

discordant coastline

A

the band of different rock type that runs perpendicular to the coastline

17
Q

name the continents

A

south america
north america
europe
asia
africa

18
Q

name the oceans

A

pacific ocean
southern ocean
atlantic ocean
indian ocean

19
Q

what is the orde cave ,stam…

A

crack,
cave,
arch,
stack
stump