Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What is the geocentric model of the solar system?
a. | the sun is at the center of the solar system | c. | the universe began with a great
explosion | b. | Earth is at the center of the solar system | d. | the earth revolves around a
moon |
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2.
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Which object is the largest?
a. | Earth | c. | the Milky Way Galaxy | b. | the Sun | d. | a star |
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3.
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Which happened most recently?
a. | the formation of the universe | c. | the formation of the
sun | b. | the formation of the planets of the solar system | d. | the formation of the Milky Way
Galaxy |
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4.
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The solar system is thought to be formed from which of the following
objects?
a. | the universe | c. | the sun | b. | the Milky Way Galaxy | d. | a nebula |
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5.
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What was the FIRST discovery made by Galileo that supported Copernicus’s
idea that the sun, not the Earth, was at the center of the solar system?
a. | the discovery of Jupiter | c. | the discovery of the phases of
Venus | b. | the discovery of some of Jupiter’s moons | d. | the discovery of the
telescope |
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6.
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Where in the Milky Way Galaxy is the solar system found?
a. | in its center | c. | in an outer arm | b. | in an inner arm | d. | outside the Milky Way’s outer
edge |
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7.
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If a space probe were able to move at half the speed of light, how long would it
take the probe to travel from Earth to the center of the Milky Way Galaxy?
a. | 15,000 years | c. | 60,000 years | b. | 30,000 years | d. | 120,000 years |
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8.
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A light year is a unit of
a. | time | c. | volume | b. | distance | d. | speed |
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9.
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Light travels about 300,000 km a second. The sun is 150,000,000 km from
Earth. About how long does light take to travel from the sun to Earth?
a. | 8 seconds | c. | 8 hours | b. | 8 minutes | d. | 8 years |
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10.
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The nearest star outside our solar system is about 4.2 light years away.
About what distance would this be in kilometers?
a. | 4 trillion | c. | 400 trillion | b. | 40 trillion | d. | 4,000 trillion |
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11.
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An astronomical unit or au is what?
a. | another name for 1 light year | c. | the distance across the solar
system | b. | the distance from the Earth to the Sun | d. | the distance from the Earth to the
Moon |
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