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17 Cards in this Set
- Front
- Back
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Name two ways in which the atmosphere is important to life on Earth.
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What are the four most common gases in dry air?
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Why are the amounts of gases in the atmosphere usually shown as percentages of dry air?
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How would the amount of carbon dioxide in the atmosphere change if there were no plants? If there were no animals?
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How is most air pollution produced?
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Name two natural and two artificial sources of particles in the atmosphere.
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how is photochemical smog formed? What kinds of harm does it cause?
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What substances combine to form acid rain?
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Do you think that photochemical smog levels are higher during the winter of during the summer?
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How does increasing the density of a gas affect its pressure?
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Describe how a mercury barometer measures air pressure.
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Why is the air at the top of a mountain hare to breathe?
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What changes in air pressure would you expect to see if you carried a barometer down a mine shaft?
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Describe on characteristic of each of the four main layers of the atmosphere.
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What is a shooting star? In which layer of the atmosphere would you see it?
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what is the aurora borealis? In which layer of the atmosphere does it occur?
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Why is the mesosphere the coldest part of the atmosphere?
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