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20 Cards in this Set
- Front
- Back
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What is the Atmosphere?
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It is the envelope of air surrounding the Earth
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There is no distinct boundary line between the atmosphere and where?
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space
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What are the atmospheric elements?
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78% nitrogen,21% oxygen,1% argon, neon, helium,methane, hydrogen, xenon, water vapor, carbon dioxide, ozone, carbon monoxide, sulfer dioxide and nitrogen dioxide
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What is the Troposphere?
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It is where people live and where most weather occurs.
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How far does the troposphere extend?
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to about 10 miles or 55,000 feet at the equator
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In the troposphere temperature decreases with what?
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an increase in height
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What is at the top of the troposphere?
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The tropopause and is the dividing line between the troposphere and the stratosphere
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In the stratosphere temperature does what?
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increases with an increase in altitude
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What region begins at about 10 miles and extends to about 30 miles?
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Stratosphere
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terrible
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terrible
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What is the mesosphere?
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It starts at the top of the stratopause
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What is the temp. in the Mesosphere?
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10C to -90C
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what is the mesosphere called?
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Mesopause
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What is the Thermosphere?
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The region starts at about 50 miles and goes to about 300 miles.
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Thermosphere activity depends on what?
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solar activity but it is usually from 750c to 1250c
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What are the atmospheric Regions?
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Ozonosphere,Ionosphere,Neutrosphere,chemosphere
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What is the Ozonosphere?
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It extends from about 10 to 30 miles.
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In the ozonopshere the sun's rediation reacts with the oxygen molecules causing them to what?
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pick up a third atom creating ozone
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Where does Ionosphere begins?
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at about 25 miles and extends to about 230 miles
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Why is there a loss or gain of electrons forming ions in the ionosphere?
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Becaus of the interactions between atmospheric particles and the sun's radiation
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