Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 – Climate
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1.
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During summer in the Southern Hemisphere, the Northern Hemisphere
experiences
a. | a tilt toward the sun. | b. | winter. | c. | summer. | d. | excess
rainfall. |
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2.
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In regions closer to the poles, the sun
a. | never sets. | b. | never changes its altitude. | c. | is higher in the
sky. | d. | is lower in the sky. |
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3.
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Ocean currents have a great effect on climate because water
a. | moves more slowly than air. | b. | stays colder than air. | c. | holds large amounts
energy in the form of heat. | d. | cannot hold energy in the form of
heat. |
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4.
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During an El Niño event, winds in the western Pacific Ocean strengthen and
push ___________ eastward.
a. | warm air | b. | cold air | c. | warm
water | d. | cold water |
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5.
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Earth’s precipitation pattern is mainly determined by the pattern
of
a. | global atmospheric circulation. | b. | solar activity. | c. | volcanic
eruptions. | d. | All of the above |
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Section 2 - The Ozone Shield
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6.
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Scientists estimate that a single chlorine molecule in the CFC structure can
destroy as many as ___________ ozone molecules.
a. | 100 | b. | 1,000 | c. | 10,000 | d. | 100,000 |
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7.
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As the amount of ozone in the stratosphere decreases,
a. | more ultraviolet light is able to reach Earth’s surface. | b. | less solar energy is
able to reach Earth’s surface. | c. | the amount of methane in the atmosphere
increases. | d. | the amount of phytoplankton in the ocean increases. |
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8.
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Polar stratospheric clouds are high-altitude clouds made of
a. | ozone and CFCs. | b. | ozone and molecular
chlorine. | c. | water and nitric acid. | d. | water and sulfuric
acid. |
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9.
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Which of the following is not a damaging effect of ultraviolet light on
the amphibian population?
a. | interference with photosynthesis | b. | death of eggs | c. | genetic mutations
among survivors | d. | reduction of populations |
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10.
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High ultraviolet (UV) radiation levels at Earth’s surface can
a. | produce CFCs. | b. | damage DNA. | c. | thin the ozone
layer. | d. | change weather patterns. |
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Section 3 - Climate Change
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11.
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Which of the following will require most developed countries to decrease
emissions of carbon dioxide and other greenhouse gases?
a. | Montreal Protocol | b. | Kyoto Protocol | c. | Emissions Reduction
Act | d. | Reforestation Project |
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12.
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Some of the warming that has been observed over the 20th century can be
attributed to
a. | human activity. | b. | plant growth. | c. | glacial
melting. | d. | droughts. |
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13.
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The attempt to slow climate change is made difficult by
a. | economic factors. | b. | political factors. | c. | social
factors. | d. | All of the above |
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14.
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Which of the following is not a major greenhouse gas?
a. | water vapor | b. | carbon dioxide | c. | sulfur | d. | methane |
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15.
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In an area away from forests and cities, geochemist Charles David Keeling
measured the amount of
a. | ozone in the air. | b. | oxygen in the air. | c. | nitrous oxide in the
air. | d. | carbon dioxide in the air. |
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Matching
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Section 1 – Climate
Choose the letter of the term or phrase
that best matches the description.
a. | latitude | d. | climate | b. | westerlies | e. | density | c. | sulfur
dioxide |
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16.
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long-term, prevailing weather conditions at a particular place
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17.
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a gas that can reach the upper atmosphere after a large-scale volcanic
eruption
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18.
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position with respect to the equator, measured in degrees north or
south
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19.
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is greater for cold air, causing cold air to push warm air up
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20.
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a belt of prevailing winds
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Section 2 - The Ozone Shield
Choose the letter of the term or
phrase that best matches the description.
a. | polar vortex | d. | ozone
layer | b. | chlorofluorocarbons | e. | phytoplankton | c. | skin cancer |
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21.
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strong circulating winds over Antarctica
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22.
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a possible consequence to humans from a thinning ozone layer
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23.
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single-celled organisms that live near the ocean’s surface
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24.
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a part of the stratosphere that absorbs most of the ultraviolet light from the
sun
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25.
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a class of human-made chemicals that may damage the ozone layer
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Section 3 - Climate Change
In the space provided, write the letter
of the description that best matches the term or phrase.
a. | carbon dioxide | d. | computer
model | b. | zooplankton | e. | global warming | c. | Mauna Loa,
Hawaii |
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26.
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site where continuous CO2 records have been maintained since
1958
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27.
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an increase in Earth’s average temperature, resulting from increased
greenhouse gases in the atmosphere
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28.
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a greenhouse gas released from burning fossil fuels
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29.
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a complex set of equations that account for many factors and require a great
number of computations to solve
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30.
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tiny, shrimp-like animals that many other marine animals depend on for
food
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