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Air
Test Description: Air
Instructions: Answer all questions to get your test result.
1) If there is high pressure on one side of the room and low pressure on the other, which direction would the air move?
A
In circles
B
No movement
C
From low to high pressure
D
From high to low pressure
2) Which gas is found in the largest amount in the air
A
Oxygen
B
Carbon Dioxide
C
Helium
D
Nitrogen
3) Which is the second most abundant gas in the air?
A
Water Vapor
B
Dust
C
Carbon Dioxide
D
Oxygen
4) A balloon weights more the more air added to it. What does this example tell us about air.
A
Air has weight.
B
Warm air rises
C
Air is made up of nitrogen and oxygen.
D
Air expands.
5) Warm air....
A
has different size molecules.
B
expands and rises.
C
contracts and sinks.
D
is more dense then cold air.
6) More air =
A
balanced pressure
B
high pressure
C
force pressure
D
low pressure
7) The higher the altitude, the ____________ the air pressure.
A
lower
B
larger
C
stronger
D
higher
8) High pressure moves towards area of _________ pressure.
A
balanced
B
large
C
high
D
low
9) What is the gas found in air that is used by plants during photosynthesis?
A
oxygen
B
argon
C
nitrogen
D
carbon dioxide
10) _____________ is water in the form of a gas.
A
smoke
B
condensation
C
water vapor
D
oxygen
*select an answer for all questions
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