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Science 5

Air Quality Vocabulary

TermDefinition
Pollutants Harmful substances in the air, water, or soil.
Pollution The contamination of Earth’s land, water, or air.
Photochemical Smog A brownish haze that is a mixture of ozone and other chemicals, formed when nitrogen oxides, hydrocarbons, and other pollutants react with each other in the presence of sunlight.
Acid Rain Rain that contains more acid than normal.
Point Source Pollution Pollution that can be traced to a known source such as industrial plants, gas stations, disposal facilities, etc.
Renewable Resources A resource that is either always available or is naturally replaced in a relatively short time.
Nonrenewable Resources A natural resource that is not replaced in a useful time frame.
Ozone Layer The layer of the atmosphere that contains a higher concentration of ozone than the rest of the atmosphere.
Ultraviolet Radiation Electromagnetic waves with wavelengths that are shorter than visible light but longer than x-rays.
Nonpoint Source Pollution Pollution that comes from an unknown source.
Created by: Coco pannell