Heliocentric vs Geocentric Model Quiz

What characteristic sets the planets apart from the stars, Sun, and Moon?

• they appear in the same spot in the night sky every night

• they "wander" in the night sky

• they are smaller

What is it called for when a planet is moving forward?

• prograde

• retrograde

• heliograde

What is it called for when a planet is moving backwards in the night sky?

• retrograde

• prograde

• heliograde

Tags

NGSS.MS-PS2-4

An inferior planet is one that is...

• one that has an orbit beyond earth's orbit and farther from the Sun

• in between the earth and the sun

• smaller than the earth

Which one is an example of an inferior planet?

• Venus

• Mars

• Neptune

Which one is an example of a superior planet?

• Mercury

• Mars

• Venus

Who was the person that popularized the geocentric model?

• Galileo

• Aristotle

• Copernicus

What was the biggest problem with the geocentric model?

• it was too complicated

• it couldn't explain the movement of the planets

• it was against what popular religions believed

Tags

NGSS.HS-ESS1-4

Which person popularized the heliocentric model?

• Ptolemy

• Aristotle

• Copernicus

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

• the shape of the planets' orbits

• the movement of the moon

• the center of the solar system