In this worksheet, students read an informational article and view drawings of the two models. In this comprehension worksheet, students answer twelve questions.

Learners determine the difference between a geocentric universe and a heliocentric universe.

Young scholars select an astronomer or scientist from the past, research the role that they played in the development of the heliocentric revolution, and make presentations on their achievements.

In this bellwork on the electromagnetic spectrum and planets worksheet, students answer questions about the information determined using a spectroscope, the geocentric and heliocentric models of planet rotation and the planets.

Students list differences in the diagrams of a geocentric universe and a heliocentric universe. They students describe the religious impact of this change on man's conception of the universe and man's place within it. Students describe...

Students view a series of videos that explore the development, formation and arguments for the geocentric model of the solar system. Studenst investigate the heliocentric model of the solar system and consider how scientific theories...

Students research the two opposing views and biographical information about Ptolemy and Copernicus in order to be familiar with the societal viewpoints that influenced the thinking of these two scientists. Students role-play supporters...

In this space science activity, students find the words that are related to the study of cosmology and the answers are found at the bottom of the page.

Biography of Galileo Galilei (1564-1642), one of the most famous scientists and inventors of all time. He is best remembered for his invention of the telescope, which caused him to question the contemporary belief that the Earth was the...

Biography of Nicolaus Copernicus (1473-1543), the scientist who first put forward the theory that the Sun was the center of the universe.

In the early 1600s, most people believed that the Sun revolved around a stationary Earth. This video segment adapted from NOVA tells how Galileo proved that the Sun, not Earth, is at the center of our universe.

In this interactive module students will explore what different ancient cultures believe was an explanation of the stars and planets. They will look at how the work of Nicolas Copernicus revolutionize the world of astronomy and learn how...

This site from The Galileo Project of Rice University contains information relating to Copernicus's sun-centered solar system theory. Pictures are provided throughout this article along with links to additional information.

Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.