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15
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Why is water an important agent in chemical weathering?
It can dissolve many kinds of minerals and rocks and serves as a medium for many reactions to occur.
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5
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What climate does mechanical weathering happen best in?
Cool and dry
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10
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What role does surface area play on weathering?
The more surface area the more weathering can occur
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5
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What is acid rain?
A rain that has a pH below 5.6
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15
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What is the difference between reel erosion and gully erosion?
Reel erosion is small channels cut by running water down a slope while gully erosion forms trenches
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10
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How does slope effect erosion?
Material can move down a slope and expose more rock more quickly.
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This is a vertical sequence of soil layers
Soil Profile
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15
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This process strips the outer layer of rock away.
Exfoliation
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15
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Contrast mechanical weathering and chemical weathering. Give an example of both.
Mechanical changes physical appearance and chemical changes composition. Example frost wedging for mechanical and oxidation for chemical
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15
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True or false: Wind can work against gravity?
True
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banana
Go to last place!
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magnet
Take 10 points!
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rocket
Go to first place!
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thief
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25
5
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What is the O horizon composed of?
Leaf litter and humus
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seesaw
Swap points!
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shark
Other team loses 25 points!
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fairy
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baam
Lose 5 points!
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How does climate influence the rate of weathering?
Different types of weathering occurs better in different regions. Water is a major agent of erosion so more precipitation can increase weathering.
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heart
Other team wins 25 points!
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shark
Other team loses 25 points!
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gift
Win 25 points!
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banana
Go to last place!
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5
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Breakdown of rock into smaller pieces.
Weathering
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