Find out about the life and work of Alfred Wegener, known for his achievements in meteorology and as a pioneer of polar research, and is most remembered as the originator of the theory of continental drift.

Students learn how the theory that explains the position of Earth's continents was established and later modified.

This site offers a wealth of online textbook-related materials that encourage the discovery of science in the world around us. Enter the site to access material on specific topics. Each section contains reading material (complete with...

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the characteristics of earthquakes. Review questions are included at the bottom of the study guide.