ch 27 section 1-2 Flashcards

(59 cards)

1
Q

the removal of surface material through the process of weathering

A

erosion

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2
Q

The transportation of weathered materials

A

sediment transport

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3
Q

The dropping of weathered materials

A

deposition

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4
Q

The land that gathers water for a major river

A

drainage basin

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5
Q

The movement of water parallel to the shore line

A

Long shore current

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6
Q

The process that involves the physical of chemical breakdown of a material

A

weathering

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7
Q

a mixture of weathered rock organic matter water and air

A

Soil

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8
Q

what is weathering

A

The break down of materials on earths surface

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9
Q

Do rocks weather at the same rate

A

NO, Location makes a difference

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10
Q

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

A

heat humidity

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11
Q

what are the two types of weathering

A

mechanical chemical

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12
Q

what type of change happens with mechanical weathering

A

physical

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13
Q

what type of change happens with chemical weathering

A

chemical changes

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14
Q

what are the three specific types of mechanical weathering

A

frost wedging, biological activity, collisions

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15
Q

what causes frost wedging

A

water collects in a crack and then freezes

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16
Q

what is the cycle called during frost wedging

A

freeze thaw cycles

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17
Q

what causes biological activity

A

a plant grows and the roots break the rock

an animal might burrow and crack rocks

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18
Q

what causes weathering during collisions

A

when rocks fall off cliffs

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19
Q

what is parent material

A

material soil forms from

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20
Q

what are soil horizons

A

different layers of soil

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21
Q

how many soil horizons are there

A

6

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22
Q

True false all soils contain every soil horizon

A

false

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23
Q

what are the specific soil horizons

A

O, A, E, B, C, R,

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24
Q

what does the first soil horizon contain

A

Organic material

25
what is the second horizon made up of mostly
mostly minerals
26
which layer does leaching occur
E
27
which horizon collects material from previous horizons
B
28
which layer is partially weathered bedrock
C
29
which layer is unweathered bedrock
C
30
which soil horizons make up the topsoil
O and A
31
which soil horizons make up subsoil
E and B
32
what horizons make the true soil
O, a, e , b
33
The process that involves the physical or chemical breakdown of materials on earths surface
weathering
34
The removal of surface material through the process of weathering
erosion
35
what are small streams that flow into large rivers
tributaries
36
land area that gathers water for major river is a
drainage basin
37
a boundary that separates distinct drainage basins is called
drainage divide
38
As water flows downhill under the influence of gravity, water erodes earths surface creating
channels
39
what shape are young rivers due to fast movement
v-shaped
40
rivers that are wide and gentle slopes and smooth
mature rivers
41
when rivers flood and drop their load what is that land form called
flood plains
42
fan shaped deposit at the mouth of a river
delta
43
form where the mouth of a river enters dry land
alluvial fans
44
what are the types of glaciers
continental | valley
45
where can each be found glacier be found
continental large land areas | valley high mountainous regions
46
where can continental glaciers be found
Greenland and Antartica
47
what is a cirque
bowl shaped basins
48
what is an Arete
form where two adjacent valley glaciers meet and erode a long sharp ridge line
49
what is a horn
sharpened peaks
50
what is a tributary glacier
small glaciers that feed into other glaciers
51
what side does erosion occur on a dune
windward
52
what side does deposition occur on a dune
leeward
53
removal of small particles by wind leaving heavy particles
deflationo
54
when small particles are removed what are the remaining particles
desert pavement
55
what does the shape and sizes of land forms depend on due to wind
wind speed amount of time the wind blows sediment supply
56
what are the three land forms created by wave erosion
sea arches sea stacks and coastal cliffs
57
wave deposition example
sandbars | sand spits
58
landforms that are parallel to the shore line
sand bars
59
what is a sand spit
sandbars that curve out then back in