Font size
S
M
L
XL
WorksheetsAir around us
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Meaning of smoke
a)
Air with carbon-monoxide
b)
Air pollution
c)
Air we breath
d)
Air with dust particles
2.
Major part of the air is constituted by
a)
Nitrogen
b)
Neon
c)
Carbon dioxide
d)
Oxygen
3.
Air moving with gentle speed
a)
Wind
b)
Breeze
c)
Sand storm
d)
Oxygen
4.
Which of the following gasses helps in burning
a)
Nitrogen
b)
Ozone
c)
Oxygen
d)
Helium
5.
Short form of Oxygen
a)
H2O
b)
CO2
c)
O2
d)
N
6.
Which gas is used for human survival in the earth
a)
Oxygen
b)
Water vapor
c)
Breeze
d)
Dust particles
7.
The trees use ----------- gas for breathing
a)
CO2
b)
H2O
c)
O2
d)
NONE OF THESE
8.
Air is a mixture of --------
a)
oxygen
b)
gas
c)
Nitrogen
d)
gases
9.
Name the three green house gases
a)
Carbon dioxide
b)
Nitrous oxide
c)
Water vapor
d)
Methane
10.
Liquid nitrogen is used for -------
(a)
Reset
