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Atmosphere
Test Description: Layers of the atmosphere Air composition Air Pressure
Instructions: Answer all questions to get your test result.
1) What is the Atmosphere?
A
The layer of gases that surrounds the Earth.
B
The layer of water in the oceans.
C
The layer in which weather occurs.
D
The layer that contains the ozone layer
2) The two most abundant gases in the atmosphere are
A
carbon dioxide and oxygen
B
nitrogen and oxygen
C
carbon dioxide and nitrogen
D
nitrogen and argon
3) What percent of our atmosphere is made up of gases other than nitrogen or oxygen?
A
10%
B
1%
C
2%
D
5%
4) Air has pressure because
A
Wind moves the air
B
Temperature warms the air
C
The stratosphere is thick
D
Air has mass
5) Density can be determined using the formula
A
Density = mass * volume
B
Density = mass + volume
C
Density = volume / mass
D
Density = mass / volume
6) The fewer particles of air in a space means
A
More dense the air
B
More the air weighs
C
Less dense air
D
Greater the air pressure
7) An instrument used to measure air pressure is called
A
Barometers
B
Hygrometers
C
Thermometers
D
Hydrometers
8) As you rise upward in the atmosphere, what will happen to air pressure?
A
First increases, then decreases.
B
Doesn’t change
C
Increases
D
Decreases
9) The layers of the atmosphere are separated according to changes in
A
Temperature
B
Pressure
C
Altitude
D
Density
10) The layer of our atmosphere in which weather occurs is the
A
Mesosphere
B
Troposphere
C
Stratosphere
D
Exosphere
*select an answer for all questions
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