1. Pollution Chemicals or other harmful items that end up in the air or in the water and that make the environment unhealthy.

2. Trash can become pollution Flagler Beach, October 9, 2004

3. Cars and other vehicles can cause air pollution http://www.export.gov.il/Eng/_Uploads/4056motorvehicles1.jpg

4. Smog is a type of air pollution http://www.magazine.ucla.edu

5. Oil spills cause pollution http://www.greenpeace.org.u k/files/images/oceans/poll ution/prestige_oil_spill_vic tim.jpg http://www.itopf.com/about/images/about_tasmanspirit_000.JPG

6. Light can be considered pollution http://www.astronomy.org/StarWatch/November/11-01-NA-light-pollution.jpg

7. Sound (loud noise) can be pollution

8. Sewage can cause pollution http://www.marinephotobank.org/images/photos/StorySewageOutfallsorigupdat ed_000.jpg

9. Pollution can be invisible—we cannot see fertilizer and pesticides http://www.bio.miami.edu/ecosummer/lectures/eutrophic.jpg

10. Hot water can be pollution http://www.fpl.com/environment/plant/images/turkey_point_3.jpg

11. Polluted or Healthy? Sometimes it is easy to tell…sometimes it is harder

12. How does pollution get into the water? Heavy rain washes things from the land into places like lakes, rivers and oceans. We call this stormwater. http://www.clemson.edu/media- relations/archive/newsroom/multimedia/images/2008_images/july/water002.JPG

13. How can we keep our water and air healthy? Recycle Throw trash away properly Ride a bicycle instead of driving a car Use solar energy instead of energy from power plants