A growing number of K12 and college educators are using the collection of interactive
simulations developed by the PhET Interactive Simulations project at University of Colorado
Boulder. The design of each simulation seeks to support educators in achieving a range of
pedagogical goals through implicit scaffolding. To decrease barriers to adoption, the
simulations are designed for flexible use, available free of charge, and usable across
platforms. The resulting simulations are compatible with diverse learning goals …