Multiple Choice
Identify the letter of the choice that best completes the
statement or answers the question.
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1.
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What is the main idea of the Capture Theory?
a. | The moon was formed somewhere
else. | b. | The moon is a part
of the Earth. | c. | The moon and the
Earth grew together. | d. | The moon was spun
out of the earth's mantle. |
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2.
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What are the extra solar planets?
a. | Planets we can't see. | c. | Planets outside the solar
system. | b. | Unknown stars around the Sun. | d. | Extra big planets in the Milky
Way. |
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3.
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Find the words that correctly finish the following sentence:
The Sun is a
_____ planet.
a. | meteor | c. | solid | b. | gas | d. | liquid |
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4.
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Which statement is correct?
a. | All the above statements are
correct. | b. | Lunar rocks proved that early theories about the
Earth's formation were incorrect. | c. | The earliest life
forms were prokaryotes. | d. | We don't know
exactly when and where life began. |
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5.
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How old is the Earth?
a. | 2 billion years | c. | 4.6 billion years | b. | 3 billion
years | d. | We don't know. |
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6.
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Find the words that correctly finish the following sentence:
The Sun
doesn't have a _____ body like the Earth.
a. | solid | c. | liquid | b. | gas | d. | meteor |
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7.
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Find the word(s) that most correctly complete the following
sentence:
Scientists noticed that a cloud of dust and gas exists in the ______.
a. | Solar System | c. | Universe | b. | Earth's atmosphere | d. | Milky Way |
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8.
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Heat and melting was caused by
_____
a. | energy from stars. | c. | decaying radioactive isotopes. | b. | energy from other planets. | d. | some other source
of energy. |
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9.
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What is the solar Nebula?
a. | A type of gravity | c. | A
cloud of interstellar gas/dust | b. | Protostar | d. | A
supernova |
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10.
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What can we find in the "main belt"?
a. | gas | c. | another planet | b. | nothing | d. | earth-threatening
asteroids |
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11.
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As a particle loses energy, _____.
a. | its speed around the center increases. | b. | it moves closer to the
center. | c. | both a and b are correct |
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12.
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What was the importance of lunar rocks?
a. | Proved that some of the previous theories were correct. | b. | Proved that one of
the previous theories was correct. | c. | None of the above is true. | d. | Proved that none of
the three previous theories were correct. |
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True/False
Indicate whether the sentence or statement is true or
false.
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13.
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Impacts may have significant effects on life.
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14.
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New, powerful tools, such as the Hubble Space Telescope, helped to discover new
stars and planets.
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