Grade Level: 3-5, 6-8, 9-12

Description:History.com featured topic includes videos exploring topics such as renewable energy and the age of Earth as well as a timeline, and articles.

Grade Level: K-2, 3-5, 6-8, 9-12

Description:Animal Planet website presents facts about Spring, guides to butterflies, wild birds, baby animals, and more.

Grade Level: 6-8, 9-12

Description:Video playlist explores the space shuttle program from the first shuttle launch to the last.

Grade Level: 9-12

Description:Video clip explores the process of land creation and destruction caused by glacial and plate tectonic activity.

Grade Level: 6-8, 9-12

Description:This quiz is a companion to the Discovery series, Life. Users test their knowledge of plants and their life cycles.

Grade Level: 9-12

Description:This Mythbusters video clip discusses the reasons behind why birds fly in a V-formation.

Grade Level: 3-5, 6-8, 9-12

Description:This Science Channel website includes videos from the series "How the Universe Works" that explore topics including volcanoes on other planets, dust devils, megastorms, and more.

Grade Level: All

Description:Animal Planet site explores sport fishing and sustainability issues through video clips, links to related resources, and more.

Grade Level: 9-12

Description:Video clips explore everything from how to separate silk from the worm to how deep sea divers are trained.

Grade Level: 3-5, 6-8, 9-12

Description:Animal Planet website lists endangered species and what you can do to help.