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Worksheetsair and pollution
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
Which of these problems can be caused by air pollution?
a)
Respiratory problems
b)
Reduced food sources for humans
c)
Increased disease for humans
d)
Decrease in global temperatures
2.
Air is mostly made up of what two gases?
a)
oxygen and nitrogen
b)
oxygen and hydrogen
c)
hydrogen and helium
d)
nitrogen and hydrogen
3.
How much oxygen is in the air? (%)
a)
25%
b)
21%
c)
68%
d)
50%
4.
Which gas creates green house effect in the atmosphere?
a)
Carbon dioxide
b)
Ozone
c)
Oxygen
d)
None of these
5.
Does air have a weight?
a)
Yes, it does
b)
No, it doesn`t
6.
The main gas for breathe is
a)
nitrogen
b)
oxygen
c)
argon
d)
hydrogen
7.
how much nitrogen is there in air
a)
67%
b)
92%
c)
78%
d)
75%
8.
Which of these does a fire need to burn?
a)
argon
b)
carbon dioxide
c)
nitrogen
d)
oxygen
9.
A __________________ is an instrument used to measure air pressure.
a)
thermometer
b)
compass
c)
barometer
d)
anemometer
10.
how do you say air is present in the soil
(a)
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