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15 Cards in this Set
- Front
- Back
Atmosphere
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The mass of air surrounding a planet
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Atmospheric Pressure
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The pressure exerted by the atmosphere on all objects within it
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Barometer
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An instrument used to measure atmospheric pressure
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Homosphere
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The lower layer of earth's atmosphere which exists from ground level to roughly 50 miles above sea level
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What are the three regions of the homosphere?
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Troposphere, Stratosphere, mesosphere
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Troposphere
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The region of the atmosphere that extends from ground level to 7 miles above sea level
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Stratosphere
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The region of the atmosphere that spans altitudes of 7 miles to 30 miles
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Mesosphere
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The region of the atmosphere that spans altitudes of 30 miles to 50 miles
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Heterosphere
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The upper layer of the earth's atmosphere which exists higher than 50 miles above sea level
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Jet Streams
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Narrow bands of high-speed winds that circle the earth, blowing from west to east
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Heat
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Energy that is being transferred
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Temperature
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A measure of the energy of motion in a substance's molecules
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Thermosphere
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The region of the atmosphere between altitudes of 80km and 460 km
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Exosphere
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The region of the atmosphere above an altitude of 460km
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Ionosphere
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The region of the atmonsphere between the altitudes of 65 km and 330 km where the gases are ionized
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