1. What element makes up ozone?

2. Where is the ozone layer located?

3. Why is the ozone layer important?

4. What type of compounds can damage the Earth's ozone layer?

5. Where do CFCs come from?

6. True or False: CFCs were banned in developing countries by the year 2000.

7. Where is the 'hole' in the ozone layer located?

8. What should you do to protect yourself from the harmful rays of the sun?

9. Where was Freon used prior to the ban on CFCs?

10. True or False: Sunlight damages the ozone layer by breaking up O3 atoms into O2 atoms.