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Unit 6 Vocab - Part 1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
weather   the condition of earth's atmosphere at a particular time and place  
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atmosphere   the envelope of gases that surround the planet  
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ozone   a form of oxygen that has 3 oxygen atoms in each molecule instead of the usual 2  
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water vapor   water in the form of a gas  
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pollutant   harmful substances in the air, water or soil  
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photochemical smog   the brown haze that develops in sunny cities  
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acid rain   rain that contains more acid than normal  
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troposphere   the inner, or lowest, layer of atmosphere in which earth's weather occurs  
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stratosphere   the second layer of the atmosphere that contains the ozone layer  
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mesosphere   the middle layer of the atmosphere that protects earth's surface from being hit by most meteoroids  
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thermosphere   the outermost layer of earth's atmosphere  
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ionosphere   the lower layer of the thermosphere  
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exosphere   the outer portion of the thermosphere  
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tropo-   turning or changing  
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meso-   middle  
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exo-   outer  
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thermo-   heat  
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air pressure   gravities push on the layers of air down on the Earth's surface  
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atom   the smallest unit of a chemical element that can exist by itself  
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Created by: lprinke
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