Chpt 5 Flashcards

1
Q

T or F mountain slopes have more fertile soil than river valleys

A

False river valleys are more fertile

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2
Q

T or F dunes form where wind is strong and soil is wet

A

False where soil is dry

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3
Q

T or F wind and water are powerful agents that change earth

A

True

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4
Q

T or F fiat land is more prone to mass wasting than billed land

A

False - hilled land is more prone

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5
Q

T or F heavier particles travel more than lighter ones when moved by wind and water

A

False- lighter travel further

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6
Q

Soil scooped out by wind is ______

A

Deflation hollows

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7
Q

Large mass of moving ice is _____

A

Glacier

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8
Q

Removal of material by wind water or ice is _____

A

Erosion

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9
Q

Mound of till is _____

A

Moraine

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10
Q

Wearing down of rock by chemical process _____

A

Chemical weathering

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11
Q

Wearing down rock surface by other rocks

A

Abrasion

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12
Q

Surface feature of place or region ________

A

Topography

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13
Q

Loose layer of rock and soil _______

A

Regolith

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14
Q

Downhill movement

A

Landslide

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15
Q

Breaking down of rock by physical process ?

A

Mechanical weathering

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16
Q

Carbon combining with other substances?

A

Carbonation

17
Q

Left behind by glaciers?

18
Q

Describe 3 processes or mechanical weathering

A

Ice wedging - water seeps into cracks and freezes and then expands breaking the rock
Temperature extremes- rocks expand in heat and contract in cold
Living things- trees force rocks to split

19
Q

Describe 3 processes of chemical weathering

A

Hydrolysis- chemical interaction with water on rocks
Carbonation - carbonic acid and other minerals form substances
Oxidation - chemicals combing with oxygen (rust)

20
Q

3 factors that determine how fast rocks weather

A

Type of rock - sedimentary softer than igneous and metamorphic
Surface area- smaller rocks weather faster
Climate - higher rainfall means faster weathering

21
Q

3 forces lead to erosion of material

A

Wave action
Glacier ice
Avalanches

22
Q

*Flood control question *

23
Q

Landslide question

A

All of above

24
Q

Most easily weathered

A

Sedimentary

25
Not a force that makes erosion
Year round coldness
26
Water responsible for mechanical weathering
Temperature
27
Essay how would you address cottage building question
Eroding dunes isn't good for the earth and building on sand isn't good for cottages
28
Cutting down tree essay question
Mass wasting would affect the houses and buildings more than trees
29
T or F shore erosion increases during storms
True