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geo > geo > Flashcards

geo Flashcards

1
Q

what is weathering

A

when rocks are broken down

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2
Q

rocks weather in 3 ways

A

physical chemical and biological

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3
Q

physical

A

breakdown in a physical way

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4
Q

2 physical weathering

A

exfoliation and frost shattering

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5
Q

igneous

A

when melted rock cools

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6
Q

chemical weathering

A

chemicals in air and water reacts with chemical substance in rocks

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7
Q

how is dolomite and limestone weathered

A

carbon dioxide dissolves in rain water carbonic acid reacts with calcium carbonate in rock

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8
Q

soluble

A

dissolves in liquid

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9
Q

biological weathering

A

action of living things

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10
Q

human affect weathering in 2ways

A

mining and quarrying pollution that makes acid rain

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11
Q

metamorphic

A

change over time

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12
Q

erosion

A

rocks and soil particles are worn away

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13
Q

gradient

A

steepness of a slope

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14
Q

interlocking spurs

A

land that sticks out into valley from any side

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15
Q

course

A

path of river that flows down into sea

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16
Q

flood plain

A

land covered by water in times of flood

17
Q

meanders

A

huge bend in a river

18
Q

delta

A

land shaped like a triangle

19
Q

spits

A

thin pieces of land that sticks out
into sea

20
Q

bars

A

masses of sand that forms across the mouth of a river

21
Q

2 kinds of glaciers

A

valley glaciers and continental glaciers

22
Q

striations

A

scratches in rock

23
Q

u- shaped valleys

A

when glaciers move up and down and makes valley wider

24
Q

horns

A

more than one glaciers on mountain

25
Q

erratic’s

A

large boulders

26
Q

moraines

A

mixture of materiel’s carrying before melted

27
Q

wind erodes in 2 ways

A

wind picks up sand and blows away and wind blows against rock sand carry’s rock away

28
Q

abrasion

A

rubbing against surface with hard substance

geo (1 decks)

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