The Solar System Answers
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Which idea was supported by Aristarchus, Copernicus, and Galileo?
A
The planets have epicycles.B
The planets revolve around the Sun.C
The stars rotate around the Sun.D
The center of the solar system is Earth.3
Why was it difficult for people to accept a heliocentric concept of the solar system?
A
Scientists had no way to explain retrograde motion.B
Scientists did not check or confirm other scientists’ ideas.C
Information was published in Italian and people could not understand it.D
Aristotle was famous and his ideas were supported by religious teachings.4
Look at the image of the solar system.
A
EarthB
JupiterC
MercuryD
Neptune5
What do comets and asteroids have in common?
A
They are made of ice.B
They orbit the Sun.C
They are made of metal debris.D
They are at the center of the solar system.6
Which idea did Ptolemy’s model use to explain why the planets appeared to move backward as they moved in their orbits?
A
The planets spun in epicycles.B
The planets rotated on their axes.C
The planets revolved around the Sun.D
The planets were made of different materials.7
How did Kepler describe the planets’ orbits?
A
The planets’ orbits are circular.B
The planets’ orbits are elliptical.C
The planets and the Sun orbit Earth.D
The planets have miniature orbits called epicycles.8
Which correctly lists three scientists who supported the heliocentric model of the solar system?
A
Aristotle, Ptolemy, CopernicusB
Copernicus, Ptolemy, KeplerC
Galileo, Kepler, AristotleD
Kepler, Galileo, Copernicus9
Which two gaseous giants did Renaissance scientists such as Galileo know about?
A
Jupiter and SaturnB
Mars and NeptuneC
Neptune and UranusD
Uranus and Saturn10
Which event took place during the Copernican revolution, when most people started to believe in a heliocentric model of the solar system?
A
Aristotle developed his model of the solar system.B
Copernicus rediscovered Aristarchus’s heliocentric model.C
Kepler's laws of planetary motion.D
Newton’s theories of gravity were dismissed and considered invalid.Did you find these answers helpful?
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