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17 Cards in this Set
- Front
- Back
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Weather |
The condition of Earth's atmosphere at a particular time and place. |
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Atmosphere |
The envelope of gasses that surrounds Earth. |
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Ozone |
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two. |
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Water Vapor |
Water in the form of gas. |
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Density |
The amount of mass of a substance in a given volume. |
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Pressure |
The amount of force pushing on an area. |
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Air Pressure |
The presseure caused by the weight of a column of air pushing down on an area. |
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Barometer |
An instrument used to measure changes in air pressure. |
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Mercury Barometer |
An instrument that measures changes in air pressure, consisting of a glass tube partially filled with mercury, with its open end resting in a dish of mercury. |
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Aneroid Barometer |
An instrument that measures changes in air pressure without using a liquid. |
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Altitude |
Elevation above sea level. |
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Troposphere |
The lowest layer of Eath's atmosspere. |
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Stratosphere |
The second-lowest layer of Earth's atmosphere. |
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Mesosphere |
The layer of Earth's atmosphere immediately above the stratosphere. |
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Thermosphere |
The outermost layer of Earth's atmosphere. |
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Ionosphere |
The lower part of the thermosphere. |
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Exosphere |
The outer layer of the thermosphere. |
