| Quiz AnswersFixing the Ozone Hole | |
| 1. Ozone is a form of what chemical? | |
|
|
A. oxygen |
|
|
B. helium |
|
|
C. chlorine |
|
|
D. car exhaust |
| 2. What kinds of man-made gasses cause the ozone layer to get thinner? | |
|
|
A. oxygen |
|
|
B. jet fumes |
|
|
C. chlorofluorocarbons |
|
|
D. plankton |
| 3. Where is the stratosphere? | |
|
|
A. 50 – 120 miles above the earth |
|
|
B. 30 – 50 miles above the earth |
|
|
C. 8 – 30 miles above the earth |
|
|
D. 0 – 8 miles above the earth |
| 4. How dangerous are CFCs to humans? | |
|
|
A. you die instantly if you breathe them |
|
|
B. hazardous because they easily catch fire |
|
|
C. harmful after many years |
|
|
D. completely harmless to humans |
| 5. Where is the troposphere? | |
|
|
A. 50 – 120 miles above the earth |
|
|
B. 30 – 50 miles above the earth |
|
|
C. 8 – 30 miles above the earth |
|
|
D. 0 – 8 miles above the earth |
| 6. When did the hole in the ozone layer first appear? | |
|
|
A. 1929 |
|
|
B. 1949 |
|
|
C. 1979 |
|
|
D. 1999 |
| 7. How many atoms make up an ozone molecule? | |
|
|
A. 1 |
|
|
B. 3 |
|
|
C. 12 |
|
|
D. 50 |
| 8. What makes ozone good or bad? | |
|
|
A. where it is in the atmosphere |
|
|
B. how many molecules it has |
|
|
C. the number of radicals |
|
|
D. the temperature of the air |
| 9. How many years can it take for CFCs to reach the stratosphere? | |
|
|
A. 1 |
|
|
B. 3 |
|
|
C. 12 |
|
|
D. 50 |
| 10. Which of these things would help reduce the level of bad ozone in the air? | |
|
|
A. ride a bike instead of driving in a car |
|
|
B. keep the lights turned on |
|
|
C. keep doors and windows closed |
|
|
D. burn trash instead of throwing it away |
| QuizFixing the Ozone Hole | |
| 1. Ozone is a form of what chemical? | |
|
|
A. oxygen |
|
|
B. helium |
|
|
C. chlorine |
|
|
D. car exhaust |
| 2. What kinds of man-made gasses cause the ozone layer to get thinner? | |
|
|
A. oxygen |
|
|
B. jet fumes |
|
|
C. chlorofluorocarbons |
|
|
D. plankton |
| 3. Where is the stratosphere? | |
|
|
A. 50 – 120 miles above the earth |
|
|
B. 30 – 50 miles above the earth |
|
|
C. 8 – 30 miles above the earth |
|
|
D. 0 – 8 miles above the earth |
| 4. How dangerous are CFCs to humans? | |
|
|
A. you die instantly if you breathe them |
|
|
B. hazardous because they easily catch fire |
|
|
C. harmful after many years |
|
|
D. completely harmless to humans |
| 5. Where is the troposphere? | |
|
|
A. 50 – 120 miles above the earth |
|
|
B. 30 – 50 miles above the earth |
|
|
C. 8 – 30 miles above the earth |
|
|
D. 0 – 8 miles above the earth |
| 6. When did the hole in the ozone layer first appear? | |
|
|
A. 1929 |
|
|
B. 1949 |
|
|
C. 1979 |
|
|
D. 1999 |
| 7. How many atoms make up an ozone molecule? | |
|
|
A. 1 |
|
|
B. 3 |
|
|
C. 12 |
|
|
D. 50 |
| 8. What makes ozone good or bad? | |
|
|
A. where it is in the atmosphere |
|
|
B. how many molecules it has |
|
|
C. the number of radicals |
|
|
D. the temperature of the air |
| 9. How many years can it take for CFCs to reach the stratosphere? | |
|
|
A. 1 |
|
|
B. 3 |
|
|
C. 12 |
|
|
D. 50 |
| 10. Which of these things would help reduce the level of bad ozone in the air? | |
|
|
A. ride a bike instead of driving in a car |
|
|
B. keep the lights turned on |
|
|
C. keep doors and windows closed |
|
|
D. burn trash instead of throwing it away |