1. Chapter 15 Atmosphere Review Game

2. 1) What percentage of the atmosphere is made up of Oxygen?

3. 2) What percentage of the atmosphere is made up of nitrogen?

4. 3) Why is the atmosphere important to living things?

5. 4) What is photochemical smog?

6. 5) What is the biggest source of air pollution?

7. 6) When a barometer is rising what is the air pressure doing?

8. 7) When you go up in altitude what happens to the air density?

9. 8) Water in the form of a gas is called: (2 words)

10. 9) A powdery material produced by plants for reproduction is called:

11. 10) The interaction of pollutants and sunlight is called:

12. 11) Sulfur oxides and nitrogen oxcides cobine with water to produce:

13. 12) What does a barometer measure?

14. 13) Where does air pressure act on your roof?

15. 14) How is an aneroid barometer different from a mercury barometer?

16. 15) What happens to air pressure as altitude increases?

17. 16) The main layers of the atmosphere are classified according to what?

18. 17) The layer of atmosphere where weather occurs is called?

19. 18) List the main layers of the atmosphere from the surface up:

20. 19)What does the ozone layer block?

21. 20) Which layer is closest to outer space?

22. 21 Ozone gas is a form of oxygen with how many oxygen atoms?