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Science LS 3

TermDefinition
Law of conservation of matter Matter neither created nor destroyed.
Convection The transfer of heat in a fluid through a current made up of warm, rising fluid and cool, sinking fluid.
Primary pollutants Pollutant formed directly from natural activities and human activities.
Secondary pollutants Pollutant formed from primary pollutants.
Ozone A molecule made up of three oxygen atoms.
Smog An air pollutant formed from nitrogen oxides and VOC's and activated by sunlight energy.
Photochemical A chemical reaction that requires sunlight energy.
Volatile organic compound A pollutant that reacts with nitrogen oxides to make smog.
Theory A big idea in science, often developed over time, using evidence gained through observations and experimental data.
Climate The normal weather conditions of a region, throughout the year, averaged over a series of years.
Created by: Tatsu
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