this stack is my 3/4 science vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| convection | the movement caused within a fluid by the tendency of hotter and therefore less dense material t rise, and colder, denser material to sink under the influence of gravity, which consequently results in the transfer of heat.
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| law of conservation of matter | conservation of mass: fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system.
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| primary pollutants | a pollutant which is emitted directly into the air.
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| climate | the weather conditions prevailing in a general area or over a long period of time.
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| theory | a supposition or a system of items intended to explain something.
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| volatile organic compound | organic chemical that have a high vapor pressure at room temperature conditions.
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| photochemical | of, related to, or caused by the chemical action of light.
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| smog | fog or haze combined with smoke and other atmosphere pollutants.
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| ozone | a colorless unstable toxic gas with a odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolent light.
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| secondary pollutants | a pollutant which is not directly emitted but forms when other pollutant, primary pollutants, react in the atmosphere.
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Created by:
morganscot
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