Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 - The Geosphere
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1.
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What often occurs at tectonic plate boundaries?
a. | increasing air pressure | b. | thinning of the biosphere | c. | mountain
building | d. | increased erosion |
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2.
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What physical layer of Earth is located beneath the lithosphere?
a. | asthenosphere | b. | inner core | c. | mesosphere | d. | outer core |
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3.
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What type of system is Earth?
a. | layered | b. | integrated | c. | related | d. | compressed |
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4.
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What is the estimated temperature of Earth’s inner core?
a. | 4,000°C to 5,000°C | b. | 3,000°C to
4,000°C | c. | 400°C to 500°C | d. | 300°C to
400°C |
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5.
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How did the Himalayan Mountains form?
a. | erosion | b. | convection | c. | glacial
movements | d. | colliding tectonic plates |
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Section 2 - The Atmosphere
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6.
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In the troposphere, which of the following decreases as altitude
increases?
a. | temperature | b. | radiation | c. | pressure | d. | both (a) and
(c) |
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7.
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What gas do animals exhale?
a. | methane | b. | oxygen | c. | carbon
dioxide | d. | nitrogen |
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8.
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How many oxygen atoms are in an ozone molecule?
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9.
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What does the ozone layer absorb?
a. | ultraviolet radiation | b. | ions | c. | aerosols | d. | greenhouse
gases |
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10.
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What is the second most abundant gas in Earth’s atmosphere?
a. | nitrogen | b. | oxygen | c. | carbon
dioxide | d. | methane |
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Section 3 - The Hydrosphere and Biosphere
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11.
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The average salinity of seawater by weight is
a. | 0.35 percent. | b. | 3.5 percent. | c. | 35.0
percent. | d. | None of the above |
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12.
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With respect to energy, Earth is a(n)
a. | layered system. | b. | integrated system. | c. | open
system. | d. | closed system. |
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13.
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Where do organisms obtain the energy they need?
a. | biosphere | b. | hydrosphere | c. | atmosphere | d. | lithosphere |
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14.
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What is the second largest ocean on Earth?
a. | Arctic Ocean | b. | Indian Ocean | c. | Pacific
Ocean | d. | Atlantic Ocean |
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15.
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Deep currents flow along the
a. | ocean floor. | b. | ocean surface. | c. | thermocline. | d. | halocline. |
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Matching
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Section 1 - The Geosphere
Choose the letter of the
term or phrase that best matches the description.
a. | crust | d. | erosion | b. | mudflow | e. | magma | c. | atmosphere |
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16.
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volcanic ash mixed with water during an eruption
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17.
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the mixture of gases that make up the air we breathe
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18.
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melted rock
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19.
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Earth’s thin outer layer
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20.
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removal and transport of surface material by wind or water
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Section 2 - The Atmosphere
Choose the letter of the
term or phrase that best matches the description.
a. | ions | d. | methane | b. | troposphere | e. | mesosphere | c. | conduction |
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21.
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electrically charged atoms
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22.
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how air is heated near Earth’s surface
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23.
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one of the most abundant greenhouse gases
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24.
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the coldest layer of Earth’s atmosphere
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25.
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the layer of Earth’s atmosphere closest to the surface
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Section 3 - The Hydrosphere and Biosphere
In the space
provided, write the letter of the description that best matches the term or
phrase.
a. | groundwater | d. | sunlight | b. | river
system | e. | surface
zone | c. | phytoplankton |
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26.
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water used for drinking and agriculture
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27.
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the warm, top layer of ocean water
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28.
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what green plants need to produce their food
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29.
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a network of streams that drains an area of land
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30.
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tiny, free-floating, marine algae
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