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Science LS 3
Term | Definition |
---|---|
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. |