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Score
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25
×
In chemical weathering, what does oxides form?
Ores
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15
×
What is a more powerful weathering agent than water?
acid
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20
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Acid has a pH less than...
7
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20
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What part of a rock oxides the most?
The outer part
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15
×
Rocks breaking down into smaller fragments is caused by...
Mechanical weathering
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15
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Oxygen used in oxidation comes from...
air
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lifesaver
Give 5 points!
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magnet
Take 25 points!
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gift
Win 10 points!
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lifesaver
Give 20 points!
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25
×
What type of soil holds more water and nutrients?
Clay soil
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20
×
What does mechanical and chemical weathering depend on?
Water and temperature
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15
×
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monster
Reset all scores!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 25 points!
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25
×
Rocks rubbing against each other grinding away by friction/impact is called...
Abrasion
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15
×
Name one type of chemical weathering.
Reaction with water, oxygen, acid, or organisms
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eraser
Reset score!
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star
Double points!
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shark
Other team loses 20 points!
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baam
Lose 20 points!
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25
×
Why can rain break down rocks?
Rain is acidic
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20
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A rock that contains metal (like gold, iron, or copper) is called a...
Ore
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