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c. Name two instruments that are used to measure atmospheric pressure.

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d. What type of barometer is used to measure atmospheric pressure and is also used to
measure altitude when it is part of another instrument?

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e. Which way will the mercury in a barometer move when the atmospheric pressure
decreases?

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f. If you are told that the mercurial barometer reads 30.13, " thirty point one three,'’
how high is the column of mercury in the baro- meter?

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g. If the atmospheric pressure increases, will the hollow metal pressure sensitive
container in the aneroid barometer expand or will it be compressed?

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h. What instrument is used to check the accuracy of an aneroid barometer?

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i. At what rate does pressure decrease with altitude in the lo of the atmosphere?
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