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10 Cards in this Set
- Front
- Back
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Weather |
The Conditions of the Earth’s atmosphere at a particular place and time |
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Atmosphere |
Envelope of Gases that surrounds the planet. |
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Nitrogen |
78% of atmosphere |
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Oxygen |
21% of atmosphere |
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Density |
The Amount of mass in a given volume of air |
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Pressure |
The force pushing on an area or surface. |
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Air Pressure |
A column of air pushing down on objects |
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Barometer |
A instrument that measures air pressure |
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Mercury Barometer |
An instrument that measures air pressure using mercury |
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Aneroid Barometer |
An instrument that does not use mercury to measure air pressure |
