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- 1. Multiple Choice
Early historical models of the solar system were geocentric. Which of these phrases describes a geocentric solar system?
the sun as a reference point
existing in a star system
Earth as a reference point
circular, orbital path of travel
- 2. Multiple Choice
What reasoning did Aristotle use to explain the way that objects in the universe move? Objects move in...
elliptical orbits with Earth at center
circles with Earth at center
elliptical orbits with sun at center
circles on with Sun at center
- 3. Multiple Choice
How does Ptolemy’s model of the universe compare with Aristotle’s model?
Both are heliocentric
Both are based on parallax
Both show that celestial objects have circular paths
Both show that celestrial objects have elliptical paths
- 4. Multiple Choice
Which claim describes why Aristarchus’ idea that the sun is much larger than Earth supports the heliocentric theory of the Solar System?
Small objects ROTATE around large objects
Large objects ROTATE around small objects
Small objects REVOLVE around large objects
Large objects REVOLVE around small objects
- 5. Multiple Choice
According to the model developed by Copernicus, what causes day and night on Earth?
Earth rotates on its axis
Earth revolves around the sun
Planets orbit the sun in elliptical paths
All parts of the Solar System move in circular paths
- 6. Multiple Choice
Based on the belief that the sun is the center of the universe
heliocentric
geocentric
aphelion
parallax
- 7. Multiple Choice
A model of the universe in which Earth is at the center of the revolving planets and stars.
heliocentric
geocentric
aphelion
parallax
- 8. Multiple Choice
An apparent shift in the position of an object when viewed from different locations
heliocentric
geocentric
parallax
aphelion
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