About the
Heliocentric and Geocentric Models
Lesson
Summary
This lesson is designed to be an introduction to the geocentric and heliocentric models.
Lesson Objectives
• To be able to define geocentrism and heliocentrism.
•
To be able to identify some of the heliocentric astronomers.
•
To be able to describe the shift from geocentrism to heliocentrism.
Suggested Grades
4th Grade
5th Grade
6th Grade
Lesson Excerpt
The geocentric model of the universe holds that earth is the center of the universe and other objects orbit around it. This belief system was popular in ancient Greece. The majority of ancient philosophers (like Aristotle and Ptolemy) thought that the sun, moon, stars, and planets revolved around Earth.
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