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Study Guide Questions

1.     The innermost layer of the atmosphere is the ____________________________ (stratosphere/ troposphere).
2.     Which two gases compose 99 percent of the innermost layer of the atmosphere? _________________________________ ________________________________
3.     Name a natural source of air pollution. __________________________________________
4.     Developing countries are usually sources of ______________________ (primary / secondary) air pollution.
5.     What is the major source of lead pollution in the atmosphere? _____________ _______________ ______________________
6.     Gray-air smog is another name for __________________________________ (industrial/ photochemical) smog.
7.     Photochemical smog is a form of ______________________ (primary/ secondary) air pollution.
8.     Cities are greater sources of air pollution and suffer more than rural areas. True or false?
9.     When a layer of warm air prevents cooler air below it from rising, the condition is known as a(n) __________________ ____________________________ .
10.     What is the smoggiest city in the United States? __________________________
11.     Tall smokestacks that can spew pollutants above an inversion layer serve mainly to relocate and reconstruct the nature of air pollution. True or false?
12.     How serious is air pollution in your environment? What are major sources of pollution in your area? __________________________________________________________________________
13.     What, if anything, would you like to see done to alleviate air pollution? _________________________________________________________
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.