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25
×
Oxygen accounts for 25% of air. (Yes or No)
No. 21% of air is oxygen.
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25
×
Carbon dioxide is used by plants to produce food. (Yes or No)
Yes.
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25
×
Very important = essential (Yes or No)
Yes.
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25
×
Air is not essential for respiration. (Yes or No)
No. Air is essential for respiration.
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25
×
Fire does not need air to burn. (Yes or No)
No. Fire needs air to burn.
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×
boom
Lose 50 points!
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fairy
Take points!
5
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25
×
fairy
Take points!
5
10
15
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25
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lifesaver
Give 15 points!
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heart
Other team wins 15 points!
Oops!
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rocket
Go to first place!
Okay!
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fairy
Take points!
5
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25
×
banana
Go to last place!
Oops!
25
×
Living organisms need air to breathe. (Yes or No)
Yes.
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25
×
Air is not essential for our lives. (Yes or No)
No. Air is essential for our lives.
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×
seesaw
Swap points!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
20
×
How many components of air are there?
There are 3 components of air.
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25
×
1% of air is carbon dioxide, fire and snow. (Yes or No)
No. 1% of air is carbon dioxide, water vapour.
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15
×
Glasses need air to breathe. (Yes or No)
No
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25
×
78% of air is oxygen. (Yes or No)
No. 78% of air is nitrogen.
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