WorksheetsL-8AIR
Total questions: 27
Worksheet time: 54mins
_________________ is the most abundant gas in our atmosphere.
Argon
Oxygen
Carbon Dioxide
Nitrogen
How much oxygen is their in the air? (%)
25%
21%
68%
50%
How much nitrogen is in the air? (%)
75%
71%
78%
60%
The main gas required for breathing is
nitrogen
oxygen
argon
hydrogen
_________ air rises.
Strong
Heavy
Cool
Warm
Which of the following is not a property of air?
Air has weight
Air is invisible
Air is oxygen
Air is impacted by temperature
What can be concluded from the experiment pictured?
Air has no weight
Air has weight
The weight of the black balloon is increasing
The weight of the meter stick is unreliable
Which material is required in Air has weight experiment.
One inflated Balloon
One deflated Balloon
A rod
All of the above
Air has weight experiment shows
Inflated balloon bends down as it has more air
Deflated balloon bends down as it has less air
None of the above
Which property of air does an inflated basketball prove?
air takes up space
air can take the shape of an object
air has weight
air is a fluid
Insects breathe through _________ on their sides.
holes
nose
gills
_________ is a mixture of many gases.
water
air
land
When air is heated it __________
expands
contracts
The strips of paper flutter as air________ from toaster.
rises
falls
___________ things move upwards.
heavier
lighter
What does the picture tells you about air?
It can take shape.
Air exerts pressure
Which property does the picture reflect?
A coin is heavier than water ,when dropped in a glass of water it sinks
A coin is lighter than water,when dropped in a glass of water it sinks.
