Global Warming Exam
Part 1 – Chapter 13 (40 points)
1. Stratospheric ____________________ is destroyed by chlorine atoms
released from CFCs.
a. Chlorofluorocarbons
b. Ozone
c. Clouds
d. Both a and c
2. Damage to ____________________ in cells of living organisms is caused
by exposure to UV radiation.
a. Organelles
b. Cell walls
c. DNA
d. Cytoplasm
e. Both b and c
3. The _________________________ is an international agreement that
limits CFC production.
a. Monroe Doctrine
b. Emancipation Proclamation
c. Kyoto Agreement
d. Marshall Plan
e. Endangered Species Act
4. An effect of El Niño is _________________________ in the southern part
of the United States.
a. Decreased rainfall
b. Increased rainfall
c. Increased temperatures
d. Decreased temperatures
5. The statement “It’s hot and sunny today—the temperature is 88ºF at 11
a.m.” describes ____________________.
a. Climate
b. Weather
c. Latitude
d. Longitude
1
6. The development of an ozone hole over the poles is a result of human
activities and begins when molecular ____________________ from
chlorofluorocarbons is released into the atmosphere and collects on polar
stratospheric clouds.
a. Nitrogen
b. Carbon
c. Hydrogen
d. Chlorine
7. The _________________________ is a process by which the atmosphere
traps heat that is radiated from Earth’s surface.
a. Inconvenient Truth
b. Kyoto Protocol
c. Greenhouse Effect
d. Westerlies
8. A predicted increase in Earth’s average temperature caused by human
activities and the subsequent release of gases such as carbon dioxide is
known as _________________________.
a. the Greenhouse Effect
b. Global Warming
c. Evaporation
d. None of these
9. If polar ice masses melt as a result of global warming, sea levels will
____________________.
a. Increase
b. Decrease
c. Remain static (stay the same)
d. None of these
10. A(n) _________________________ is often found on the inland side of a
mountain range.
a. Rain forest
b. Taiga
c. Desert
d. Tundra
11. As a result of the destruction of stratospheric ozone, scientists believe that
____________________, including frogs, toads, and salamanders, will be
especially vulnerable to increased UV radiation.
a. Reptiles
c. Mammals
b. Amphibians
d. Birds
2
12. As a result of the destruction of stratospheric ozone, single-celled
organisms called _________________________, that live near the
ocean’s surface, can be killed by increased UV radiation.
a. Shrimp
b. Oysters
c. Coral
d. Sharks
13. One serious consequence of global warming, a rise in sea levels, could
result in ____________________ of beaches.
a. Erosion
b. Flooding
c. Both a and b
d. None of the above
14. Which of the following is NOT an adverse effect of the high levels of
ultraviolet light?
a. Disruption of photosynthesis
b. Disruption of ocean food chains
c. Premature aging of the skin
d. Increased amount of CO2 in the atmosphere
15. In which season (in the Northern Hemisphere) does carbon dioxide
decrease as a result of natural processes?
a. Fall
b. Winter
c. Summer
d. Spring
16. Which of the following is a greenhouse gas?
a. Carbon dioxide
b. Water vapor
c. Methane
d. All of the above
17. Which of the following is NOT a source of methane?
a. Fossil fuels
b. Sewage
c. Fertilizer
d. Rice
18. Weather and Climate are synonyms of each other.
a. True
b. False
3
19. All
a.
b.
c.
d.
e.
of the following are consequences of a warmer Earth EXCEPT
Melting ice and rising sea levels
Human health problems
Decreased crop yields
Cheaper electric bills
Change in the ranges of some plants and animals
20. Which of the following countries decided not to ratify the Kyoto Protocol?
a. Russia
c. Canada
b. United States
d. Australia
Part 2 – An Inconvenient Truth (30 points)
21. Dr. Roger Revell was Mr. Gore’s college professor who researched carbon
dioxide (CO2) levels in the atmosphere. He found that
a. CO2 levels have remained the same since 1958
b. CO2 levels have increased since 1958
c. CO2 levels have decreased since 1958
d. none of these
22. Most of Earth’s land masses are located north of the equator.
a. True
b. False
23. CO2 levels are ________________.
a. about the same now as they were in 1900
b. the lowest they have ever been measured
c. higher than they have ever been
d. none of these
24. The 10 hottest years on record have occurred in the last 14 years.
a. True
b. False
25. What is happening to glaciers across the world?
a. they are getting larger
c. they are moving
b. they are melting
d. none of these
26. The average temperatures of the ocean are steadily rising.
a. True
b. False
27. The arctic (North Pole) ice cap has diminished 20% in the last 40 years.
a. True
b. False
28. Heat energy is building up more at the North Pole than it is at the
equator.
a. True
b. False
4
29. Melting glaciers on the North American continent caused the last ice age
in Europe.
a. True
b. False
30. According to Mr. Gore, if the ice on either Greenland or Antarctica were to
melt, sea levels would rise 20 feet.
a. True
b. False
31. According to the documentary An Incovenient Truth, the population of the
Earth will reach 9 billion around
a. we’re already there
c. 2050
b. 2025
d. 2100
32. If sea levels rise as predicted, Montgomery will eventually be a beach
town.
a. True
b. False
33. Which of the following countries releases more CO2 than any other
country on Earth?
a. China
c. United States
b. Japan
d. Russia
34. Due to global warming, species loss (extinction) is happening at a rate
over 1000 times faster than what is considered normal.
a. True
b. False
35. Even if we change our habits, it is too late to reverse global warming.
a. True
b. False
Part 3 – Six Degrees Could Change The World (30 points)
36. World temperatures have risen an average of 4°C over the past 10 years.
a. True
b. False
37. Seventy percent of the world’s coral reefs are currently dead or dying.
a. True
b. False
38. If the average world temperature increases by 2°C glacial melt rates will
double.
a. True
b. False
39. If the Greenland ice sheet were to melt (possible with 2°C though it would
take approximately 140 years) Loachapoka would be under water.
a. True
b. False
5
40. If the average world temperature increases by 3°C 80% of Arctic sea ice
will melt.
a. True
b. False
41. If the average world temperature increased by 3°C we would enter a
“vicious” cycle where the warmer we get the faster we get warmer.
a. True
b. False
42. If the average world temperature increases by 4°C plants and soil would
begin to release carbon dioxide instead of absorb it.
a. True
b. False
43. At a 4°C temperature rise we see a collapse of civilization leading to
conflicts (wars) worldwide.
a. True
b. False
44. A 5°C temperature rise there would be no ice sheets left, no rainforests
left, and humans would have to be herded into areas near the poles.
a. True
b. False
45. A 5°C temperature rise would lead to a shrinking of the world’s largest
deserts.
a. True
b. False
46. A 6°C increase in the world’s average temperature could lead to sea levels
rising by nearly 20 m (~67 ft).
a. True
b. False
47. Once rainforests disappear they do not return.
a. True
b. False
48. Higher water temperatures in the world’s oceans means weaker
hurricanes in the long run.
a. True
b. False
49. The El Niño weather phenomena causes drought in the southern US and
heavy rains in Indonesia and equatorial South America.
a. True
b. False
50. In essence, if we don’t find a way to reduce the emission of Greenhouse
gases, the human race will not survive.
a. True
b. False
6
BONUS QUESTIONS (3 POINTS EACH)
B1. 1°C = _______°F
B2. 2°C = _______°F
B3. 3°C = _______°F
B4. 4°C = _______°F
B5. 5°C = _______°F
B6. 6°C = _______°F
B7. What is the average annual temperature at the South Pole?
B8. What is the average annual temperature at the North Pole?
B9. What is the average annual temperature in Loachapoka?
7