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.

By converting our sims to HTML5, we make them seamlessly available across platforms and devices. Whether you have laptops, iPads, chromebooks, or BYOD, your favorite PhET sims are always right …

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

Simulations All Sims Physics Math & Statistics Chemistry Earth & Space Biology Translated Sims Customizable Sims Studio About Studio Customizable Sims Start a Free Trial Purchase a License …

Elementary School (Math & Science) Middle School (Math & Science) K-12: Math High School: Physics High School: Chemistry Sample Solutions Unit Undergraduate: Physics Undergraduate: General …

Simulations All Sims Physics Math & Statistics Chemistry Earth & Space Biology Translated Sims Customizable Sims Studio About Studio Customizable Sims Start a Free Trial Purchase a License …

Balancing Act: Do Preservice Teachers in an Integrated Mathematics/Science Course Categorize a Levers Problem as Mathematics or Science?, P. Cormas, Annual meeting of the Association for …

Simulations All Sims Physics Math & Statistics Chemistry Earth & Space Biology Translated Sims Customizable Sims Studio About Studio Customizable Sims Start a Free Trial Purchase a License …

This is an interactive sim. It changes as you play with it.

Explore natural selection through interactive simulations, observing how traits influence survival in changing environments.