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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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10
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How do living things impact weathering and erosion?
Trees may break up rock, humans move soil when building, animals burrow holes
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10
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What is oxidation?
A chemical reaction between oxygen and another substance
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5
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What area would wind be a major erosional agent.
desert
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10
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How would you classify soil that is 60% sand, 30% silt, and 10% clay?
Sandy Loam
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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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15
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This process strips the outer layer of rock away.
Exfoliation
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5
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What climate does mechanical weathering happen best in?
Cool and dry
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monster
Reset all scores!
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gift
Win 25 points!
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rocket
Go to first place!
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thief
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25
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lifesaver
Give 20 points!
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magnet
Take 15 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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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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heart
Other team wins 10 points!
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magnet
Take 25 points!
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rocket
Go to first place!
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baam
Lose 5 points!
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eraser
Reset score!
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gold
Win 50 points!
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fairy
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25
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baam
Lose 25 points!
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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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15
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What happens when a river enters a larger body of water.
The water slows down and deposits large amounts of sediment
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