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WorksheetsAir Around Us
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
Moving air is called ________
a)
wind
b)
fog
c)
dew
2.
The envelope of air that surrounds the earth is called ________
a)
atmosphere
b)
hydrosphere
c)
lithosphere
3.
Mountaineers carry _________ cylinders with them, while climbing mountains.
a)
nitrogen
b)
carbon dioxide
c)
oxygen
4.
Air is a mixture of many _________
a)
solids
b)
liquids
c)
gases
5.
___________ gas is necessary for burning
a)
oxygen
b)
nitrogen
c)
carbon dioxide
6.
__________ gas occupies the major part of composition of air.
a)
nitrogen
b)
oxygen
c)
carbon dioxide
7.
The burning of fuel produces ______
a)
dew
b)
wind
c)
smoke
8.
As we move higher in the atmosphere, the air gets _______
a)
increases
b)
more
c)
rarer
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