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Physical Science > chapter 27.1 > Flashcards

chapter 27.1 Flashcards

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Biology 101 flashcards
1
Q

weathering definition

A

the process that involves the physical or chemical breakdown

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2
Q

do rocks weather at the same rate?

A

no

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3
Q

what are the two main factors that determine how fast a rock will weather?

A

rock type and landscape

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4
Q

what are two types of weathering?

A

chemical and physical

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5
Q

what type of change happends with mechanical weathering?

A

frost wedging,biological activity,and collision

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6
Q

what type of change happends with chemical weathering

A
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7
Q

what are the 3 specific types of mechanical weathering?

A
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8
Q

what causes frost wedging?

A
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9
Q

what is the cycle called during frost welding?

A
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10
Q

what caused weathering during collisions?

A

rocks slides

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11
Q

soil definition

A
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12
Q

what is parent materials?

A

what soil is made from

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13
Q

what are the 2 types of chemical weathering caused by?

A

oxegyn and water

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14
Q

what is the chemical process called that is caused by oxygen?

A

oxidation

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15
Q

what is the chemical process caused by water?

A

hydrolysis

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16
Q

what are in soil horizons?

A

the different layers of soil

17
Q

how many soil horizons are there?

A

6 layers

18
Q

true or false.all soils contain every soil horizon

A

false

19
Q

what are the spesific soil horizons?

A

o,a,e,b,c,and r

20
Q

what does the first soil horizon contain?

A

organic matertial

21
Q

what is the second horizon mostly made up of?

A

mostly minerals

22
Q

which layer does leaching occur?

A

horizon e

23
Q

which horizon collects matertials from previous horizons?

A

horizon b

24
Q

which layer is partially weathering bedrock?

A

horizon r

25
Q

which layer is partially weathered bedrock?

A

horizon c

26
Q

which layer is unweathered bedrock?

A
27
Q

which soil horizons make up the topsoil?

A
28
Q

which soil horizons make up the subsoil?

A
29
Q

what are the two types of glaciers?

A

valley glacier and continetal glacier

30
Q

where do valley glaciers form?

A

in high mountain regions

31
Q

where do continental glaciers form?

A

colder climates

32
Q

where are two continetal glaciers located?

A

one in greenland and one in antartica

33
Q

what is a cirque?

A

a bowl shaped basin

34
Q

what is an arete?

A

when you have two adjacent valley glaciers meet and erode a long sharp ridge line

35
Q

what is a horn in mountainous region?

A

sharpened peak tip of mountain

36
Q

what shape of valley do valley glaciers form?

A

u shaped

37
Q

what are tributary glaciers?

A

small glaciers that feed into the large glaciers

38
Q

what type of valleys do tributary glaciers form?

A

Physical Science (11 decks)

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