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3 cards from this section. Quick, good the night before a test.
What is the SI unit of atmospheric pressure?
Think of the unit used for measuring pressure.
What device is commonly used to measure atmospheric pressure?
It has a mercury column.
What is atmospheric pressure?
Think of the weight of air pressing down.
True or False: Atmospheric pressure remains constant at all altitudes.
Consider what happens as you go up a mountain.
Explain how atmospheric pressure affects weather patterns and give two specific examples.
Think about how pressure gradients cause air movement.
Calculate the change in height of the mercury column in a barometer if atmospheric pressure shifts from 1.013 × 10^5 Pa to 1.000 × 10^5 Pa.
You may need to use basic physics formulas to derive the height change.
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