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WorksheetsFun Time!!
Total questions: 20
Worksheet time: 10mins
1. Air is mostly made up of what two gases?
oxygen and nitrogen
oxygen and hydrogen
hydrogen and helium
nitrogen and hydrogen
2. How much oxygen is in the air? (%)
25%
68%
21%
50%
- How much nitrogen is in the air? (%)
75%
71%
68%
60%
4. We can touch air
Yes
No
Does air has a weight?
Yes, it does
No, it does not
The moving air
breeze
tsunami
wind
snow
Substance that pollute the air is called
smoke
dust
pollutant
gas
The scientific word for burning
reaction
fire
fuel
combustion
The blanket of air around us
biosphere
atmosphere
hydrosphere
lithosphere
The amount of water vapour present in the air
heat
atmosphere
humidity
water drop
The air we breathe in
carbon dioxide
argon
nitrogen
oxygen
The device helps in cleaning using air pressure
dryer
air conditioner
vacuum cleaner
cycle air pump
Air expands on
heating
cooling
boiling
freezing
Combustion requires
nitrogen
carbon dioxide
helium
oxygen
Fish breathe through
lungs
skin
gills
nose
We breathe out the air rich in
carbon dioxide
oxygen
smoke
dust
Breathing in polluted air causes
Corona
cold
fever
asthma
Way to reduce air pollution
use the car
burn fire crackers
go cycling or walk your way
burning plastic
Which gas is used for photosynthesis?
neon
nitrogen
carbon dioxide
oxygen
Which one of the properties of air is incorrect below?
air is colourless
air is tasteless
air occupies space
air expands on cooling
