National Academies of Sciences, Engineering, and Medicine
The National Academies: Our Energy System
This interactive presents the many sources of energy in the United States, showing in a flow chart how much of each type of energy is used. Pop-up windows provide more information at the different branches in the chart.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Energy Forms and Changes
Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and...