PhET interactive simulations
PhET Interactive Simulations, University of Colorado Boulder
Simulations from the University of Colorado Boulder for physics, chemistry, biology and mathematics. You change the variables and watch what happens.
Openly licensedFree to read, and the licence allows reuse under its own conditions.
Covers the topicIt covers the same ground. No syllabus was consulted, and none is implied.
Version not confirmedRecorded as the version in force, but nobody has checked it against the source. Confirm the year on the source page.
The CC BY 4.0 licence covers simulations PhET published before 29 March 2026. Anything released since then is under terms PhET states separately — check the licensing page on the simulation you want before reusing it.
A free external resource. Its licence allows copying and reuse under its own terms. This link reached the site on 2026-08-31. We did not read the page.