Greenhouse Effect (Uroosa)
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A short quiz on the greenhouse effect and ozone depletion (chapter 16. 2).
- 1.Which planet is the closest to the Sun and what is the day and nighttime temp. of this planet?
- A.
Mercury - daytime:430 degrees C nighttime:-180 degrees C
- B.
Mercury - daytime:492 degrees C nighttime:285 degrees C
- C.
Jupiter - daytime:-89 degrees C nighttime:-239
- D.
None of the above
- 2.What percentage of the Sun's energy is radiated back into space?
- A.
50%
- B.
90%
- C.
70%
- D.
82%
- E.
25%
- 3.What are greenhouse gases and list two examples.
- A.
A chemical used to grow plants ex. oxygen and nitrogen
- B.
Atmospheric gases that absorb and re-emit infrared radiation ex. ozone and water vapour
- C.
One of the causes of global warming ex. CFCs and hydrogen
- 4.Which greenhouse gases are caused by natural processes?
- A.
Transpiration
- B.
Evaporation of water
- C.
Forest fires caused by lightning
- D.
All of the above
- E.
None of the above
- 5.What human activity causes greenhouse gases?
- A.
Burning fossil fuels
- B.
Purifying water
- C.
Using the microwave
- D.
Riding a bike
- 6.What is ozone composed of?
- A.
4 oxygen molecules
- B.
1 oxygen molecule and 2 nitrogen molecules
- C.
Water
- D.
Sulfuric acid
- E.
3 oxygen molecules
- 7.Is ground level ozone useful?
- A.
Yes
- B.
No
- 8.How is upper level ozone essential to us?
- A.
It blocks sunlight and gives us 24 hours of sleep
- B.
Blocks UV radiation
- C.
Brings rain, helping crops grow
- D.
All of the above
- E.
None of the above
- 9.Which chemical is very stable, stays in the environment for a long period of time and has caused ozone depletion?
- A.
Carbon dioxide
- B.
Tobacco
- C.
CFCs
- 10.Where can we find the largest ozone hole?
- A.
Antarctica
- B.
New Zealand
- C.
Australia
- D.
Italy
- E.
New York
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