Eighth graders work together in groups to examine the earliest civilizations. After reading two stories, they compare and contrast the facts with those stories with other ones they have read. They discuss the different hypothesis on...

In this Roaring Twenties Era worksheet, students review a chapter as they identify 5 vocabulary terms or individuals quotes, eliminate 4 false statements, and identify 2 themes from the era of great change in the United States.

In this scientists instructional activity, students read a brief synopsis of a scientist, then try to identify the person, 12 total. Worksheet contains links to additional activities.

In this Dig Magazine archeology quiz, students answer 4 multiple choice questions covering a variety of topics. Page contains answer and additional resources link.

Second graders examine how their choices affect the environment. They identify different types of pollution and its source. They ask questions to end the instructional activity.

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.

A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.

Claudius Ptolemy believed the Earth was the center of the universe. Learn about his theories and life in this biographical article.

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.

A lesson that explains a theory on magma generation at hotspots called the mantle plume theory. The goal of this lesson is to introduce students to a theory that scientists are actively trying to prove or refute. Through this, students...

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...