Name
_ SID Number
_ Quiz 1 VERSION C
1. The ozone hole appears above the Antarctic in the polar…
(A) spring
(B) summer
(C) fall
(D) winter
(E) any time
2. Which of the following sources have contributed to chlorine in the atmosphere?
(A) air conditioners
(B) refrigerators
(C) volcanoes
(D) spray cans
(E) all of the above
3. Which of the following is not part of the Chapman reactions?
(A) O2 + hν  O + O
(B) O3 + hν  O2 + O
(C) Catalytic decomposition
(D) O + O2 + M  O3 + M
(E) None are part of the Chapman reactions
4. In the troposphere, ozone formation starts with sunlight dissociating (“cutting up”) a molecule
to form O. Which molecule?
(A) O2
(B) CFC’s from spray cans
(C) Soot from car exhausts
(D) NO2 from car exhausts
(E) Secondary pollutants
5. Which of the following describes a major cause of smog?
(A) London smog is caused by car exhaust
(B) photochemical smog is caused by car exhaust and sunshine
(C) Photochemical smog is caused by the ozone hole
(D) photochemical smog is caused by secondary pollutants
(E) Photochemical smog is caused by burning coal
6. The ozone layer is mostly…
(A in the troposphere
(B) in the mesosphere
(C) in outer space
(D) in the stratosphere
(E) everywhere
7. The ozone layer above Seoul is…
(A) about 3 mm thick
(B) thicker on cloudy days
(C) disappearing each year in September
(D) about 300 Dobson Units
(E) all of the above
8. When the wavelength of light is two times as large, then…
(A) the energy is half as large
(B) the energy is two times as large
(C) the energy is four times as large
(D) the energy is the same
(E) none of the above
9. Scientific theories…
(A) never change
(B) may change whenever someone feels like it
(C) may change based on new observations
(D) are always true
(E) are decided on by a scientific committee
10. Which of the following contribute to ozone hole formation?
(A) polar vortex
(B) CFCs
(C) surface chemistry on PSCs
(D) sunlight
(E) all of the above
11. International treaties have done what to the ozone hole? They…
(A) have done nothing
(B) made it worse
(C) fixed it
(D) will fix it in about 100 years
(E) there are no treaties about ozone
12. CFC’s ….
(A) are a problem in the atmosphere because they are very reactive
(B) are safe because they are inert so they do not react with anything
(C) are a problem because they are inert so they have a long lifetime
(D) fall back to earth because they are heavier than air
(E) are in most spray cans that are sold today
13. Ozone can be good for our health or bad for our health. It is
(A) bad in the troposphere; good in the stratosphere
(B) good in the troposphere; good in the stratosphere
(C) bad in the troposphere; good in the mesosphere
(D) bad in the mesosphere; good in the stratosphere
(E) bad in the troposphere; bad in the stratosphere
14. Are the following forms of pollution mostly local or global?
Pollution
CFC’s
Soil pollution
Greenhouse gasses
Photochemical smog
LOCAL
GLOBAL
X
X
X
X