coastal quiz

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concordant coastline
layers of sedementary rock layered horizontally to the sea, breaks in these rocks create secretive coves.
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discordant coastline
layers of sedemtary rock layered vertically to the sea, bays and headlands are formed by diferent erroding times in the diferent types of sedemenetary rock.
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arch
when a cave errodes the whole way through.
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stack
when an arch colapses and becomes issolated
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stump
when a stack falls over with only the tip showing above water level
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fetch
the distance a wave travels
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swash
the power of a wave coming up the beach
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backwash
the power of a wave going away from a beach directed by gravity
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biological weathering
roots or burrowing animals can break up rocks and move them
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chemical weathering
acidic rain breaks down, and disoves the rocks
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physical weathering
freezed water expands in the cracks over night and then melts during the day
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rock fall
one or two rocks fall down a cliff
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slumping
a large sheet/ledge of rock falls down
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sliding
litle patches of rock fall down, bit by bit
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hydraulic action
water is driven into the cracks widening and erroding them
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attrition
rocks bang against each other causing errosion
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abrasion
rocks and sand rub againist each other like sand paper erroding at the material
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corosion
acidic rain or chemicals break down the rock
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neap tides
they happen twice a month in the first and third quaters of the moon. they are not as high as spring tides
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spring tides
they happen around the newmoon and are the higest type of tide
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sedement cells
a closed system arpound a coastline were sedement is deposited
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constructive waves
they have a stronger swash than backwash and deposite sand
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destructive waves
they have a stronger backwash then swash and take material
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Other cards in this set

Card 2

Front

layers of sedemtary rock layered vertically to the sea, bays and headlands are formed by diferent erroding times in the diferent types of sedemenetary rock.

Back

discordant coastline

Card 3

Front

when a cave errodes the whole way through.

Back

Preview of the back of card 3

Card 4

Front

when an arch colapses and becomes issolated

Back

Preview of the back of card 4

Card 5

Front

when a stack falls over with only the tip showing above water level

Back

Preview of the back of card 5
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