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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Which
planet is closest to the Sun? a. | Jupiter | c. | Venus | b. | Mars | d. | Mercury | | | | |
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2.
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A
spacecraft sent into deep space to collect data using cameras and instruments is a a. | probe. | c. | station. | b. | satellite. | d. | shuttle. | | | | |
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3.
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Astronomers determine the chemical composition of stars by using a a. | telescope. | c. | kaleidoscope. | b. | spectroscope. | d. | stethoscope. | | | | |
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4.
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We
can be sure that the Milky Way galaxy we live in is a spiral galaxy rather than an elliptical galaxy
because a. | it has curved
arms. | c. | its stars are
all about the same age. | b. | it does not show any rotation. | d. | new stars are no longer forming. | | | | |
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5.
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Earth
stays in orbit around the Sun because of inertia and a. | friction. | c. | magnetism. | b. | gravity. | d. | momentum. | | | | |
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6.
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Which
is the largest object in the solar system? a. | Earth | c. | the Sun | b. | Jupiter | d. | the
Moon | | | | |
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7.
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If
you were to watch the stars all night, they would seem to a. | stay in exactly
the same place in the sky. | b. | move across the sky at night, as the Sun does during the
day. | c. | go in circles
around the point straight up from where you are. | d. | move across the
sky at night, in the opposite direction that the Sun moves during the day. | | |
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8.
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According to the big bang theory, the universe originated as a a. | point where all
matter and energy was concentrated. | b. | complex system of galaxies that has since been
expanding. | c. | complete, limitless void without any matter or
energy. | d. | massive sphere of matter and energy with near-infinite
diameter. | | |
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9.
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There
are several different types of galaxies. The Milky Way, which contains our solar system,
is a. | a spiral
galaxy. | c. | a barred spiral
galaxy. | b. | an elliptical galaxy. | d. | an irregular galaxy. | | | | |
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10.
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According to ____, the Earth is at the center of the universe. a. | the Ptolomaic
theory | c. | Galileo's
theory | b. | Copernicus's theory | d. | None of the above | | | | |
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11.
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The
first scientist to successfully use a telescope to observe the night sky was a. | Tycho. | c. | Herschel. | b. | Galileo. | d. | Kepler. | | | | |
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12.
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Copernicus’s theory was unpopular when he first proposed it because he stated
that the sun was a. | the center of
the solar system. | c. | a source of
energy. | b. | an average star. | d. | about 93 million miles away. | | | | |
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13.
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The
first scientist to explain why planets orbit the sun was a. | Newton. | c. | Copernicus. | b. | Galileo. | d. | Kepler. | | | | |
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14.
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____
was the first to publish a theory that eventually revolutionized astronomy—that the sun is at
the center of the universe and the planets orbit the sun. a. | Aristotle | c. | Tycho
Brahe | b. | Nicolaus Copernicus | d. | Isaac Newton | | | | |
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15.
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____
explained why moons orbit planets—gravity. a. | Isaac Newton | c. | Johannes Kepler | b. | Nicolaus
Copernicus | d. | Tycho
Brahe | | | | |
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16.
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____
was the first person to see craters and mountains on the moon and sunspots on the
sun. a. | Tycho
Brahe | c. | Johannes
Kepler | b. | Galileo Galilei | d. | Isaac Newton | | | | |
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17.
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____
discovered the phases of Venus and four moons orbiting Jupiter. a. | Isaac
Newton | c. | Galileo
Galilei | b. | Johannes Kepler | d. | Tycho Brahe | | | | |
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