Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET …

Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!

Experiment with an electronics kit! Build circuits with batteries, resistors, ideal and non-Ohmic light bulbs, fuses, and switches. Determine if everyday objects are conductors or insulators, and …

PhET provides fun, free, interactive, research-based science and mathematics simulations. We extensively test and evaluate each simulation to ensure educational effectiveness. These tests …

PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

Teachers have access to simulation-specific tips and video primers, resources for teaching with simulations, and activities shared by our teacher community.

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET …

Teachers have access to simulation-specific tips and video primers, resources for teaching with simulations, and activities shared by our teacher community.

PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.