Skip to Main Content
Sign in / Register
Interactive Science Simulations
Fun, interactive, research-based simulations of physical phenomena from the PhET™ project at the University of Colorado.
Recipient of The Tech Award 2011
honoring technology benefitting humanity
Tech Awards
Join us on Facebook icon  |  Follow us on Twitter icon  |  Read our blog  |  Subscribe to our newsletter
For Teachers
Green arrow Tips for Using PhET
Green arrow Browse Activities
Green arrow Share your Activities
Green arrow Workshops
Green arrow Translate simulations
Green arrow Translate the website
Green arrow What's New?
Green arrow About PhET
Green arrow Contact Us
Green arrow Donate
PhET is supported by...
and our other sponsors, including educators like you.