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12 Cards in this Set
- Front
- Back
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Define: Humidity
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The moisture content of air.
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Define: Absolute Humitdity
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The mass of water vapor contained in a certain volume of air.
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Define: Relative Humidity
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The ratio of the mass of water vapor in the air at a given tempature to the maximum mass of water vapor in the air could hold at that tempature, expressed as a precentage.
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Define: The Greenhouse Effect
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The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth.
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Define: Parts per million
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The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture.
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Air is: __% Oxygen, __% Nitrogen, and _% Other.
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21% Oxygen, 78% Nitrogen, and 1% Other.
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The temperature is the same at 1:00 in the afternoon on two consecutive days. For a person who is outside working, however, the second day feels cooler than the first day. On which day was the humidity higher?
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The first day.
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If you put a glass of water outside when the relative humidity is 100%, how quickly will the water evaporate?
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It will not evaporate.
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What would be the consiquence of removing all of the carbon dioxide from the air?
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The earth would be colder.
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What would be the consiquences of removing all of the ozone from the air?
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Ultraviolet light would kill all living things.
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Is global warming happening today?
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NO.
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__% = ______ppm.
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1% = 10,000 ppm.
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