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Air Pollution----Smog. By Chen, Limin. Air pollution---Smog. Grade Level: 8 grade Objective : The students will be able to list major air pollutants, what causes them, and their effects on people and the environment .
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Air Pollution----Smog By Chen, Limin
Air pollution---Smog Grade Level: 8 grade Objective: • The students will be able to list major air pollutants, what causes them, and their effects on people and the environment. • Recognize that invisible air pollutants and weather conditions are involved in creating smog. • Be able to describe how a temperature inversion occurs.
Air Nitrogen Oxygen Carbon dioxide Water vapor and other gases
What is in the Air Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapor, and other gases
Air pollution A change to the atmosphere that has harmful effects is called Air pollution
Pollutant • Substances that causes pollution are called pollutants. Pollutants can be Solid particle or gases
Emission • Solid particles and gases that are released into the air are called emissions
Which one is a larger source of emissions that causes air polution?
Air pollution criminals Smog Sulfur Dioxide Odious Ozone Carbon Monoxide Radon Acid Rain
Number 1 Smog
Photochemical smog a thick, brownish haze formed when certain gases in the air react with sunlight.
Temperature Inversion:a layer of warm air prevents rising air from escaping, so the polluted air is trapped and held close to earth’s surface.
Health Effects of Smog • Itchy, watery eyes and scratchy throat. • Lung problems and harm the body’s defenses against infection. Smog City HaHaHah.......