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10
×
What percentage of the Earth is covered in water? `
70%
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seesaw
Swap points!
Oops!
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shark
Other team loses 25 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 15 points!
Oops!
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monster
Reset all scores!
Oops!
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shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 20 points!
Oops!
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boom
Lose 50 points!
Oops!
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gift
Win 25 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
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25
5
×
What is the chemical name for water?
H2O
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10
×
What air pollutant is this an example of?
chlorofluorocarbon compounds- CFCs
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5
×
What step in the water cycle involves rain and snow?
Precipitation
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15
×
Name two things that can pollute the water.
waste from industry and towns, fuel spilled, warm water from nuclear power plants, pesticides, fertilizers, human or farm waste
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thief
Give points!
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25
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star
Double points!
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gift
Win 10 points!
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lifesaver
Give 20 points!
Oops!
15
×
Explain step 1 in this diagram.
The radiation reaches the Earth's surface.
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10
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What layer of the atmosphere is where weather takes place?
Troposhere
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15
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Name 2 effects of air pollution.
1. acid rain 2. destruction of the ozone layer 3. increased greenhouse effect
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10
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What layer of the atmosphere is between 80- 500 km altitude?
Thermosphere
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10
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What do we call water without salt in it?
Fresh Water
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10
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What does this picture show?
Surface Tension
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15
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What two gases does the atmosphere contain that essential for life?
oxygen and carbon dioxide
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