Team 1
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Team 2
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Teams
Name
Score
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8
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lifesaver
Give 25 points!
Oops!
×
shark
Other team loses 10 points!
Okay!
×
gift
Win 20 points!
Okay!
×
banana
Go to last place!
Oops!
10
×
is there Oxygen in the Air ? How much ?
Yes, 21%
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Check
Okay!
Check
10
×
The ratio of Oâ gas in the atmosphere is fixed. Right or wrong?
Right
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Check
×
thief
Give points!
5
10
15
20
25
×
gift
Win 15 points!
Okay!
×
gift
Win 25 points!
Okay!
×
thief
Give points!
5
10
15
20
25
10
×
Oxygen gas is composed of 3 atoms ?
Wrong, only two atoms.
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Check
Okay!
Check
10
×
Which gas represents one fifth of the atmosphere.
Oxygen
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10
×
Is Oxygen solid, liquid or gas ?
It is a gas.
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Check
10
×
Which gas do we need to breathe?
Oxygen
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Okay!
Check
×
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