1. Freshwater Pollution
Chapter 3
Section 3

2. What is pollution?
Water pollution is the addition of any substance that has a negative effect on water or the living things that depend on the water.

3. Point Source- pollution that can be traced back to one specific source
Non-point Source- pollution that cannot be traced to one source, from a large area

4. Pollutant – substance that causes pollution
Pesticides – chemicals used to kill insects

5. Turbidity
Turbidity – the cloudiness or amount of sediment in water

6. Human Waste
Sewage water and runoff with animal waste can cause diseases such as E. coli & cholera

7. Industrial Waste
Acid Rain- rain containing sulfuric acid, caused by burning fossil fuels
Heat Pollution- factories can release hot water from machinery into lakes & rivers

8. Chemical Runoff
Runoff carries chemicals from roads & farms into rivers & lakes and through storm drains

9. Pollution Solution
PREVENT
CLEAN UP

10. You Pick Assignment
Students will do one of the following options as homework A.) Make a flyer that could be posted or handed out in the community. The flyer should bring attention to what pollution is, how we can stop/prevent it, and why stopping/preventing pollution is important. This can be done on a computer or created by hand. B.) Questions 1-3 in the text book on page 123 C.) Make a 10 question quiz from this section or Chapter 3. You may use multiple choice, true/false, matching, or essay questions. Answers to your quiz must be provided as well.