Quiz On UV and Ozone

1. What does UV stand for?

2. Where does UV come from?

3. How many atoms of oxygen bond to create one molecule of ozone?

4. Where is most of the earth’s "good ozone" located?

5. Where is most of the earth’s "bad ozone" located?

6. What does ozone do?

7. What does CFC stand for?

8. What are CFCs?

9. Where do CFCs come from?

10. Name some conditions that would result in a high amount of UV in your area.

11. What are some of the effects of UV on humans?

12. Sunscreen is the only way to protect yourself from UV radiation. - True or False

13. List some of the ways to protect yourself from UV radiation.

14. About how many cases of skin cancer are reported yearly in the US?

15. What are some things that will make someone more susceptible to skin cancer?

16. Which is the most dangerous kind of skin cancer?

17. What type of UV radiation does most sunscreen protect against?

18. What unit of measurement is used to measure the relative thickness of the ozone layer?

19. Clouds completely block out UV radiation. – T or F

20. You can find most of earth’s ozone within 5km of the surface of the earth. – T or F

21. About how many molecules of ozone are there per air molecule in the stratosphere?

22. The ozone layer, if compacted together on the surface of the earth would be about 3 meters thick. – T or F