PhET: Free online physics, chemistry, biology, earth science and math ...
Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder
Browse - PhET 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 …
Build an Atom - Atoms - PhET Interactive Simulations
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!
States of Matter - PhET Interactive Simulations
States of Matter
Natural Selection
Natural Selection
Circuit Construction Kit: DC - PhET Interactive Simulations
This is an interactive sim. It changes as you play with it.
Natural Selection - Mutation - PhET Interactive Simulations
Studio About Studio Customizable Sims Start a Free Trial Purchase a License Teaching Activities Contribute an Activity Activity Contribution Guidelines Virtual Workshops Tips for Using PhET …
States of Matter: Basics
States of Matter: Basics
Diffusion - PhET Interactive Simulations
Explore diffusion with interactive simulations, adjusting variables like concentration and temperature to observe their effects on the process.
Natural Selection - PhET Interactive Simulations
Explore natural selection through interactive simulations, observing how traits influence survival in changing environments.