1. Chapter 1 THE ATMOSPHERE
WEATHER AND CLIMATE
Chapter 1
THE ATMOSPHERE

2. Section 4
The Air We Breathe

3. pollutants that are put directly into the air by human OR natural activity
primary pollutants

4. primary pollutants not produced by humans such as dust, sea salt, volcanic gases and ash, pollen, and swamp gas
natural pollutants

5. pollutants that form from chemical reactions that occur when primary pollutants come in contact with each other or with naturally occurring substances such as water vapor or sunlight
secondary
pollutants

6. Automobile exhaust reacts with air and sunlight to cause _______ and ______.
smog
ozone

7. Ozone and smog are examples of _________ pollutants.
secondary

8. main source of human-caused pollution
transportation

9. air pollution caused when factories or power plants burn fossil fuels
industrial air pollution

10. polluted air inside a building caused by compounds found in household cleaners, materials and cooking smoke that can be worse than outdoor pollution
indoor air pollution

11. Pollution can be moved from one place to another by ______.
winds

12. precipitation that can kill living things because it contains acids from air pollution
acid precipitation

13. Click on the picture to read “The Tale of Lucy Lake.”

14. Click on this link and watch an animation on Acid Precipitation
and then do a
word search or crossword puzzle

15. The ozone hole continues to grow and as a result allows more ____________ rays to reach the Earth’s surface.
ultraviolet

16. Comparison of Ozone Hole by Year

17. Daily exposure to small amounts of air pollution can cause serious ______ problems.
health

18. EPA stands for ____________ __________ ___________.
Environmental
Protection
Agency

19. law signed in 1970 that gives the EPA the authority to check air quality and control standards
Clean Air Act

20. How well has the Clean Air Act worked?
Emissions of toxic lead have dropped 98 percent. Emissions of sulfur dioxide have dropped by 35 percent and emissions of carbon monoxide have dropped by 32 percent.
cleanairtrust.org

21. Air Quality Index Information and Games
Find your local air quality forecast!

22. Fun and Games Information, Games, and Links on Climate Change
Read a comic strip on a serious matter!
Play Smog City or Smog City 2.
Vocabulary Games