WorksheetsAir
Total questions: 20
Worksheet time: 20mins
Which property of Air shown in the image?
Air exerts pressure
Air is needed for burning
Air has weight
Air has mass
What is wind?
Moving air
stopped air
hot moving air
Look at the picture and guess which propert of Air is shown?
Air has mass
Air occupies space
Air can be heated and cooled
How much percentage of Nitrogen is present in the Air
32%
78%
71%
21%
Air is made up of a mixture of many different kinds of gases.
True
False
The_________ makes the windmill
rotate.
electricity
wind
Air is a mixture of many _________
solids
liquids
gases
The burning of fuel produces ______
dew
wind
smoke
We can ______ the air.
Feel
Touch
Smell
________% of carbon dioxide is present in the atmosphere.
98%
78%
1%
0.03%
Air is present in
(a) atmosphere
(b) soil
(c) water of ponds, lakes and seas
(d) everywhere
A
B
C
D
Balance of oxygen and carbon dioxide in air is maintained by ----------
plants only
animals only
both plants and animals
moving vechiles
Which 2 gases are most common in Earth's atmosphere?
Carbon Dioxide (C02) & Nitrogen (N2)
Oxygen (O2) & Carbon Dioxide (CO2)
Water Vapor (H2O) & Oxygen (O2)
Nitrogen (N2) and Oxygen (O2)
Air is used by all the organisms for
Digestion
Respiration
Excretion
None of the above
Which of the following lives in the soil?
Crocodile
Earthworm
Squirrel
Dog
