Online resource for students and teachers to see information on icebergs, fisheries, coral reefs, waves, currents and more. Provides teachers with learning activities. Has its own ask-an-expert site (Ask Dr. Bob), and provides real-time...

This study guide on circular motion covers key terms, centripetal force, linear vs. circular motion, precession, and equations. Includes four example problems with detailed solutions. The guide is available for download with free...