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Defining Air Pollution and its Effect on Humans. Lesson. A question for students. Is Air a Natural Resource? How can polluted air be replenished? How is clean air regulated?. What is air pollution?. Something damaging air quality Ambient air Inside Air. What makes up air?.
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A question for students • Is Air a Natural Resource? • How can polluted air be replenished? • How is clean air regulated?
What is air pollution? • Something damaging air quality • Ambient air • Inside Air
What makes up air? • Nitrogen (N)—78% • Oxygen (O)—21% • Carbon Dioxide (CO2) —.03% • Argon—less than 1 % • Other gases including hydrogen, helium, and neon—less than 1 %
Effect of air pollution on humans • Health problems • Mainly respiratory • Pollutants interfere with gas exchange • Alveoli • Natural Defenses
Effect of air pollution on plants & animals: Destroy plant tissue Poison what animals eat Acid rain destroy fish populations
Summary • 1. Explain the meaning of air pollution. • 2. List the major components of air. • 3. Explain the effects of air pollution on humans.
Where does air pollution come from? Gases Particulate matter
Forcast Earth: Air Aware • http://vimeo.com/22469627
Video Questions What are some sources of air pollution? What is one of the main human health issues aggravated by air pollution? What are the 2 kinds of ozone and how are they different? How can we tell when the air is dangerous to breathe? Besides ozone, what is another kind of air pollution mentioned in the video?
Discover! • Presenting On: • You are going to become an expert about an air pollutant • Particulate matter • Carbon monoxide • Sulfur Dioxide • Nitrogen Dioxide • Ozone • Lead • After researching about your pollutant you will create a “Wanted” poster • Use the recommended websites along with the brochures located on the student share folder
How can we protect our air from pollution? Controlling emissions Reusing & Recycling Practicing Safety
What are air quality standards? • Max amt. of pollution at one time in an area • Primary standards • Secondary standards
How do we test the air? Pollution pump Point source air pollution
How do we measure air pollution? Volume per volume Weight per volume Dimension measurement