WorksheetsAIR
Total questions: 24
Worksheet time: 41mins
All living things need air. True or false.
true
false
Which of the following object does not need air to live?
We breathe in air through our ____________.
Air is made up of atoms and molecules.
True
False
Air has no weight.
True
False
Air is made up of a mixture of many different kinds of gases.
True
False
Which box below shows a more dense object?
Left
Right
Define Density
The weight of a column of air pushing down on an area
The Amount of Mass in a given volume
The force pushing on an area
The distance above sea level
As we go up to the layers of atmosphere, the pressure
Increases
Decreases
Remains the same
Which of the following gases protect us from the UV rays?
Carbon-dioxide
Nitrogen
Ozone
Which property of Air shown in the image?
Air exerts pressure
Air is needed for burning
Air has weight
Air has mass
Which amongst the following is not a property of Air?
Air has mass
Air has volume
Air can be heated or cooled
Air is oxygen
How much percentage of Nitrogen is present in the Air
32%
78%
71%
21%
Substance which pollute the air are
Pollutants
Pollution
Dirty
Which statement about air is true?
Air has a fixed shape
Air takes the shape of its container
If the plant population decreased, the amount of carbon in the atmosphere would _________.
Stay the same
Increase
Decrease
