Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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From Earth, _____ is a planet visible to the naked eye.
a. | Mercury | c. | the moon | b. | the sun | d. | Neptune |
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2.
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A lunar eclipse occurs when positions of the sun, the moon, and Earth are such
that one of these objects is between the other two. During a lunar eclipse, which object is between
the other two?
a. | Earth | c. | sun | b. | moon | d. | None of the
above |
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3.
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A solar eclipse occurs when positions of the sun, moon, and Earth are such that
one of these objects is between the other two. During a solar eclipse, which object is between the
other two?
a. | sun | c. | Earth | b. | moon | d. | None of the
above |
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4.
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Phases of the moon are caused by _____ shadow.
a. | Earth’s | c. | the sun’s | b. | the moon’s | d. | None of the
above |
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5.
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Tides on Earth are caused primarily by
a. | the moon’s gravitational force. | c. | Earth’s
landscape. | b. | the sun’s gravitational force. | d. | Jupiter’s gravitational
force. |
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6.
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Venus is known for its
a. | enormous size. | c. | ring system. | b. | thick atmosphere. | d. | abundance of
life. |
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7.
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Olympus Mons, a volcano on _____, is the largest mountain in the solar
system.
a. | Venus | c. | Earth | b. | the moon | d. | Mars |
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8.
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The Great Red Spot, a hurricane-like storm with twice the diameter of Earth, is
found on
a. | Jupiter. | c. | Titan. | b. | Saturn. | d. | the sun. |
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9.
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The inner planets are called terrestrial because they
a. | have no atmosphere. | c. | have Earth-like oceans. | b. | are small and highly
dense. | d. | are visible from
Earth. |
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10.
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All four outer planets are
a. | terrestrial planets. | c. | very small. | b. | gas giants. | d. | close to the
sun. |
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11.
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Earth’s atmosphere protects it from
a. | high-energy solar particles. | c. | space debris. | b. | ultraviolet
radiation. | d. | All of the
above |
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12.
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Aristotle first proposed that _____ was at the center of the solar
system.
a. | the sun | c. | Earth | b. | the moon | d. | Jupiter |
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13.
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Ptolemy proposed that the sun, moon, and planets orbited Earth in
a. | ellipses. | c. | spheres. | b. | squares. | d. | circles. |
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14.
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In 1687, _____ explained that gravitational forces hold the solar system
together.
a. | Newton | c. | Halley | b. | Copenicus | d. | Galileo |
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15.
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Kepler correctly proposed that the planets orbited the sun in _____
orbits.
a. | circular | c. | linear | b. | elliptical | d. | spherical |
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16.
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According to the _____ hypothesis, the solar system formed from a cloud of dust
and gas.
a. | nebular | c. | Galilean | b. | accretion | d. | Newtonian |
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17.
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According the current theory, the moon was formed
a. | together with Earth. | c. | from a portion of Earth. | b. | separately from
Earth. | d. | from leftover
matter. |
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18.
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The moon affects Earth by causing
a. | seasons. | c. | tides. | b. | night and day. | d. | earthquakes. |
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19.
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The asteroid belt is found between Jupiter and
a. | Saturn. | c. | Mars. | b. | Uranus. | d. | Neptune. |
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20.
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According to the nebular hypothesis, the solar system formed
a. | quickly, from a large explosion. | c. | slowly, from a large
explosion. | b. | quickly, from a cloud of gas. | d. | slowly, from a cloud of
gas. |
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21.
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Most comets come from the
a. | Oort cloud. | c. | rings of Saturn. | b. | stars. | d. | sun’s
corona. |
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22.
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Scientists believe Earth’s moon was
a. | captured by Earth’s gravity. | c. | originally part of
Earth. | b. | formed at the same time as Earth. | d. | formed before
Earth. |
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23.
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The solar system is held together by
a. | gravitational forces. | c. | angular momentum. | b. | inertia. | d. | electrostatic
forces. |
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24.
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Many small bodies composed of ice and rock lie
a. | between Earth and Mars. | c. | beyond the gas
giants. | b. | between the sun and Earth. | d. | beyond the Kuiper Belt. |
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25.
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The Great Red Spot is believed to be a giant storm in the atmosphere of
a. | Mars. | c. | Saturn. | b. | Jupiter. | d. | Neptune. |
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26.
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Terrestrial planets have similar
a. | atmospheres. | c. | compositions. | b. | lifeforms. | d. | Neptune |
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27.
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Planets may have been formed out of material orbiting the early sun through the
process of
a. | solidification. | c. | accretion. | b. | sedimentation. | d. | radiation. |
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28.
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The inner planets are separated from the outer planets by
a. | the Oort cloud. | c. | the Milky Way. | b. | an asteroid belt. | d. | the moon’s
orbit. |
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29.
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The moon orbits Earth at a distance of about _____ kilometers.
a. | 4,000 | c. | 400,000 | b. | 40,000 | d. | 4,000,000 |
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30.
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The nebular hypothesis explains why the planets
a. | are bunched together. | c. | have irregular orbits. | b. | have ring
structures. | d. | differ in
composition. |
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Matching
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Match each item to the correct statement below. a. | planet farthest from the sun | b. | planet closest to the sun | c. | only planet with
large amounts of liquid water and a protective atmosphere | d. | planet with the most
satellites | e. | planet with the most extensive ring system | f. | unique
characteristic that makes Earth habitable | g. | characteristic of an outer
planet | h. | characteristic of an inner planet | i. | area beyond Neptune populated by small
bodies | j. | terrestrial planet with a thin carbon dioxide
atmosphere |
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31.
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Kuiper Belt
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32.
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Jupiter
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33.
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hydrosphere
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34.
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Mars
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35.
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Earth
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36.
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ring system
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37.
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Mercury
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38.
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Neptune
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39.
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solid rocky surface
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40.
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Saturn
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