An excerpt from an earth science textbook. The chapter shown here covers concepts about how weather data is collected, displayed and how meteorologists forecast fronts and storms.

Informative site about mountains. Look at the picture and read all about mountains, then take a quiz to show how much you know!

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...

Through this series of Internet-based learning experiences and activities, students will use real-time data to track a real ship at sea and monitor weather conditions. Includes a teacher's guide with problem-solving lesson plans...

[Free Registration/Login Required] Overview: In this lesson, students will learn the basics about how tornadoes are formed, and when and where they are most likely to occur. They will learn that the United States is the country most...