Atmospheric Pressure and Air Properties
Questions
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MultiChoice
What force holds the atmosphere close to Earth's surface?
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MultiChoice
What term describes the weight of air molecules pressing down on a surface?
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MultiChoice
Which instrument is used by scientists to measure air pressure?
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MultiChoice
Where is air density and pressure highest?
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MultiChoice
How does air temperature affect its density and movement?
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MultiChoice
Differences in air pressure across regions create horizontal air movement called what?
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MultiChoice
Air naturally moves from areas of what to what?
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MultiChoice
Why does warm air rise?
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MultiChoice
As you climb up a mountain, what happens to the air temperature in the troposphere?
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MultiChoice
What does air density measure?
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MultiChoice
What two gases make up over 99% of air pressure at sea level?
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MultiChoice
Which layer contains about 80% of the total mass of Earth's atmosphere?