geography rocks&landscapes Flashcards

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1
Q

what are the four types of erosion

A

hydraulic action, abrasion, attrition and solution

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2
Q

what is abrasion

A

material from river that wears away bank

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3
Q

what is hydraulic action

A

force of water

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4
Q

what is attrition

A

rocks hitting eachother

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5
Q

what is solution

A

chemicals in water

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6
Q

what are the four types of transportation

A

traction,saltation,suspension and solution

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7
Q

weathering biological:

A

root action

plants growing thru rocks cracks

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8
Q

weathering physical:

A

freeze thaw

water in the cracks, freezes, expands and makes a bigger crack

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9
Q

what is mass movement

A

the downward movement of material due to gravity

etc. slumping and sliding

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10
Q

what is extrusive rocks

A

it has small crystals, that cool outside

wtc basalt

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11
Q

what is intrusive rock

A

it has big crystals, that cools inside

etc granite

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12
Q

upland characteristics

A

made up of hard rock (erodes slow)

and is steep

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13
Q

lowland characteristics

A
softer rock (erodes fast)
low / flat land
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14
Q

upland locations

A

dartmoor

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15
Q

lowland locations

A

north/south downs

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16
Q

what human activities affect landscape

A

farming,deforestation,mining and building of settlements