Name SID Number Final VERSION A 1. The main source of energy, that is heating planet earth is (1) renewable energy (2) natural gas (3) the sun (4) oil (5) coal 2. Which of the following mainly causes acid rain? (5) CFS s 3. Which of the following mainly causes global warming? (5) CFC s 4. Which of the following mainly causes photochemical SMOG? (5) CFS s 5. Which of the following mainly causes ozone depletion (ozone hole)? (5) CFS s 6. Which of the following mainly causes water pollution? (5) CFS s 1
7. The ph in acid rain is (1) Less than 5 (2) more than 9 (3) 7 (4) 100 (5) 5.6 8. The ozone hole appears (1) above Los Angeles in September (2) above the South pole in March (3) above the South pole in September (4) above the North pole in March (5) above the North pole in September 9. Acid rain causes (mark all that apply) (1) trees to die (2) statues to dissolve (3) toxic metals to be mobilized (4) fish to have mercury (5) SMOG 10. The Convention on Long-Range Transboundary Air Pollution was signed by (1) Most countries (2) most developed countries only (3) most third world countries only (4) Most countries, but not the United States (5) Nobody 11. The Conventions on banning CFCs that cause ozone loss were signed by (1) Most countries (2) most developed countries only (3) most third world countries only (4) Most countries, but not the United States (5) Nobody 12. The Kyoto Protocol on reducing CO 2 was signed by (1) Most countries (2) most developed countries only (3) most third world countries only (4) Most countries, but not the United States (5) Nobody 2
13. PM10 is (1) particulate matter smaller than 10 nanometer (2) particulate matter smaller than 10 millimeter (3) particulate matter smaller than 10 micrometer (4) particulate matter larger than 10 nanometer (5) 10 % of all particulate matter 14. The atmosphere is (mark all that apply) (1) 78% N 2 (2) 21% O 2 (3) 0.039% CO 2 (4) 100% N 2 (5) 39% CO 2 15. Which of the following are examples of contamination in ground water (mark all that apply) (1) Pesticides (2) CO 2 (3) ozone (4) phosphates (from detergents) (5) bacteria 16. In the stratosphere, ozone formation starts with sunlight dissociating ( cutting up ) a molecule to form O. Which molecule? (1) O 2 (2) CFC s from spray cans (3) NO 2 from car exhausts (4) Soot from car exhausts S (5) econdary pollutants 17. Which of the following is true of benzene compounds? They (1) may cause cancer (2) are a form of nuclear waste (3) may be found in soot (4) all of the above (5) answers (1) and (3) 18. The green revolution (or increased food production) is made possible by (mark all that apply) (1) having more land available for agriculture (2) pesticides (3) genetically modified crops (4) artificial fertilizers (5) green paint 3
19. In the polar winter a the Antartic chlorine can be found in what form? (1) Guem the polar bear (2) Cl (3) ozone (4) spray cans (5) Cl 2 on polar stratospheric clouds 20. When NO2 dissolves in water (a step in formation of acid rain) (1) It becomes CO 2 (2) the ph goes down (3) the ph goes up (4) the water evaporates (5) the water freezes 21. Which of the following are examples of particulate matter (mark all that apply)? (1) viruses (2) golf balls (3) dandruff from cats (4) Tabaco smoke (5) Airplanes 22. The IPCC is (1) International particulate contamination council (2) Intergovernmental panel on climate change (3) a K-pop group (4) International program on contamination control (5) A think tank headed by Al Gore 23. Greenhouses. (1) absorb infrared and absorb ultraviolet radiation (2) does not absorb infrared and does not absorb ultraviolet radiation (3) does not absorb infrared and does absorb ultraviolet radiation (4) absorb infrared and does not absorb ultraviolet radiation (5) absorb in different ways, depending on the temperature 24. Which of the following is true about burning coal (mark all that apply)? (1) Coal is the cleanest fossil fuel (2) Coal produces most CO 2 per unit of energy of all fossil fuels (3) Coal contains sulfur (S) that gets into the atmosphere when coal is burnt (4) Burning coal contributes to acid rain (5) Because of burning coal the ozone hole gets larger 4
25. When the frequency of light is half as large. (1) the energy is half as large and the wavelength is half as large (2) the energy is twice as large and the wavelength is half as large (3) the energy is twice as large and the wavelength is twice as large (4) the energy is half as large and the wavelength is twice as large (5) the speed of light is half as large 26. As a result of biomagnification (1) Cows today are much larger than they used to be (2) Guem the polar bear can swim further (3) pesticide concentrations become larger in fish (4) smaller fish have more pesticide than larger fish (5) people are getting taller 27. International treaties have done what to the CO 2 concentration in the atmosphere? (1) The CO 2 concentration is not going up further (2) Treaties have made the CO 2 concentration worse (3) Treaties have done very little (4) International agreements will fix the problem in about 100 years (5) The Kyoto protocol will reduce CO 2 levels to 300 ppm one 28. Which of following is true: (1) CO 2 levels vary naturally so current levels are normal (2) CO 2 levels never varied until they started to go up recently (3) CO 2 levels are now at 300 Dobson Units levels vary naturally but not as high and as fast as now (5) CO 2 levels vary naturally so they may come down again soon 29. If the earth would radiate more infrared light, it would be (1) hotter (2) the same temperature (3) colder (4) dryer (5) wetter 30. If the earth did not have any green house gas in its atmosphere, it would be (1) hotter (2) the same temperature (3) colder (4) dryer (5) wetter 5
31. If the average temperature on earth goes up 5 degrees Celsius. (1) that is not important, because daily temperatures vary much more (2) that is not important, because that temperature has varied more in the past (3) it will get hot tomorrow (4) extreme high temperatures become more likely (5) CO 2 levels in the atmosphere will go down 32. Cutting down forests and burning them (1) increases CO 2 in the atmosphere (2) takes CO 2 out of the atmosphere (3) does not change CO 2 concentrations in the atmosphere (4) Increases photochemical smog (5) makes the ozone hole larger 33. The efficiency by which plants convert sunlight to energy (photosynthesis) is about (1) 0 % (2) 0.25 % (3) 50 % (4) 75 % (5) 100 % 34. Which of the following is most likely to have most global (world-wide) impact on the environment? (1) air pollution by short lifetime compounds (2) air pollution by long lifetime compounds (3) water pollution (4) soil pollution (5) urban photochemical smog 35. Which of the following are green energy sources? (no CO 2 emission. Mark all that apply) (1) tidal waves (2) nuclear power (3) wind (4) solar panels (5) Natural gas 36. Are the following forms of pollution mostly local or global? Pollution LOCAL GLOBAL CFC s X Soil pollution X Photochemical smog X Greenhouse gasses X 6
37. The amount of energy from the sun that reaches the earth in. equals the earth s electricity use in (1) 1 week 1 month (2) 1 hour 1 year (3) 1 day 1 week (4) 1 day 2 days (5) 1 second a million years 38. Ozone in photochemical smog (1) is produced by the Chapman reactions (2) is in the stratosphere (3) has an atmospheric lifetime of centuries (4) is part of the ozone hole (5) is a secondary pollutant 39. Before the industrial revolution the CO 2 concentration in the atmosphere was about (1) 0 ppm (2) 10 ppm (3) 100 ppm (4) 295 ppm (5) 395 ppm 40. Today the CO 2 concentration in the atmosphere is about (1) 0 ppm (2) 10 ppm (3) 100 ppm (4) 295 ppm (5) 395 ppm 41. Which of the following is true: (1) The world population is about 15 billion people (2) Half of the energy used on earth today comes from fossil fuel (3) Reducing all energy use by 5% will be enough to end global warming is a carcinogen (5) Most climate scientists are convinced there is global warming 42. Which of the following could be symptoms of global warming?? (1) melting ice caps (2) rising sea levels (3) more intense storms (4) changing rainfall patterns (5) all of the above 7
43. Which of the following are greenhouse gasses (mark all that apply) (1) Ozone (O 3 ) (2) methane (CH 4 ) (3) nitrogen (N 2 ) (4) carbon dioxide (CO 2 ) (5) oxygen (O 2 ) 44. Ozone can be good for our health or bad for our health. It is (1) bad in the troposphere; good in the stratosphere (2) good in the troposphere; good in the stratosphere (3) bad in the troposphere; good in the mesosphere (4) bad in the mesosphere; good in the stratosphere (5) bad in the troposphere; bad in the stratosphere 45. Which of the following are examples of environmental disasters (mark all that apply)? (1) The Exxon Valdez oil spill (2) The Bhopal chemical plant explosion (3) The Korean fencer losing her match in the last extra second (4) The Chernobyl nuclear plant accident (5) The Love Canal toxic dump site 46. BONUS: Which of the following is true about the Bhopal accident? (1) Union Carbide has compensated the victims. (2) Dow Chemical has compensated the victims (3) Union Carbide is paying for medical treatment of victims (4) Dow Chemical is spending twelve billion dollar on compensation (5) none of the above Thank you for having been part of this class. Enjoy Korea Have a great year 8