Air Question Preview (ID: 41954)


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If there is high pressure on one side of the room and low pressure on the other, which direction would the air move?
a) No movement
b) From low to high pressure
c) From high to low pressure
d) In circles

Which gas is found in the largest amount in the air
a) Helium
b) Carbon Dioxide
c) Oxygen
d) Nitrogen

Which is the second most abundant gas in the air?
a) Oxygen
b) Carbon Dioxide
c) Water Vapor
d) Dust

A balloon weights more the more air added to it. What does this example tell us about air.
a) Air has weight.
b) Air expands.
c) Warm air rises
d) Air is made up of nitrogen and oxygen.

Warm air....
a) contracts and sinks.
b) expands and rises.
c) has different size molecules.
d) is more dense then cold air.

More air =
a) high pressure
b) balanced pressure
c) low pressure
d) force pressure

The higher the altitude, the ____________ the air pressure.
a) larger
b) higher
c) lower
d) stronger

High pressure moves towards area of _________ pressure.
a) high
b) low
c) balanced
d) large

What is the gas found in air that is used by plants during photosynthesis?
a) carbon dioxide
b) nitrogen
c) oxygen
d) argon

_____________ is water in the form of a gas.
a) oxygen
b) condensation
c) smoke
d) water vapor

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