U3L1 Historical Models of Solar System

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

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

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

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

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

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

Tags

NGSS.MS-ESS1-1

Based on the belief that the sun is the center of the universe

• heliocentric

• geocentric

• aphelion

• parallax

A model of the universe in which Earth is at the center of the revolving planets and stars.

• heliocentric

• geocentric

• aphelion

• parallax

An apparent shift in the position of an object when viewed from different locations

• heliocentric

• geocentric

• parallax

• aphelion

Who was the person that contributed to and helped popularize the geocentric model?

• Galileo

• Ptolemy

• Copernicus

This image shows the:

• Geocentric Solar System
• Heliocentric Solar System

Tags

NGSS.MS-ESS1-1