This site from the Exploratorium provides a demonstration, using everyday materials, of the energy exchange between two coupled pendulums. The site provides a thorough description of how the two pendulums interact and...

The Idaho State University Department of Physics conducts science demonstration shows at S. E. Idaho schools. Four different presentations are currently available; "Forces and Motion", "States of Matter", "Electricity...

This web site is a basic, non-mathematical introduction to relativity. It covers concepts from Galileo, Newton, and Maxwell through Einstein and special relativity. The site also mentions modern topics such as the...

This page of the Einstein Light site presents the concept of an inertial reference frame, along with explanations of Newton's three laws. The site includes a video depicting the principle and is produced at the...

This resource illustrates classical energy diagrams for 1D motion. It simulates an experiment where the energy of a cart with a magnet can be changed by putting magnets along a track. The resultant potential and...