DO NOW

1. DO NOW What type of pollution is caused by fertilizers? What is it called when rows in a filed aare plowed in curves instead of straight lines? What are the tiny particles and gases carried into the air that cause pollution ? What is it called when a steep field is changed to a series of smaller fields? What type of pollution is caused by cars?

2. Key Questions What is the ozone? How does the ozone get holes in it? Where do chloroflurocarbons come from? What does UV radiation cause? What is water conservation? What is air conservation?

3. 1. Ozone-faes that protect life on Earth from solar radiation

4. 2. The holes in the ozone come from chlorflurocarbons also called CFCs

5. 3. CFCs come from aerosol cans, cooling AC systems, refrigerator systems.

6. 4. Ultraviolet radiation causes skin cancer and damaging effects of plants and animals.

7. 5. Water Conservation • Use water saving faucets, shower heads, and toilets • Turn off water when brushing teeth • Only wash full loads in dishwasher • Water sewage treatment plants • Prevent factories from dumping chemicals • Prevention off fertilizer runoff

8. 6. Air Conservation • Filters on smokestacks at factories (filters out harmful chemicals) • Devices on car exhaust