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AQ LS3 Vocabulary
Vocabulary to Study for test.
Term | Definition |
---|---|
Law of conservation of matter | the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. |
convection | the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat. |
primary pollutants | a pollutant which is emitted directly into the air. |
secondary pollutants | Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as food crops, |
ozone | a colorless unstable toxic gas |
smog | fog or haze combined with smoke and other atmospheric pollutants. |
photochemical | of, relating to, or caused by the chemical action of light. |
volatile organic compound | organic chemicals that have a high vapor pressure at ordinary room temperature. |
theory | supposition or a system of ideas intended to explain something, esp. one based on general principles independent of the thing to be explained. |
climate | the weather conditions prevailing in an area in general or over a long period. |