PhET Interactive Simulations
Free research-based simulations for exploring physics, chemistry, biology, Earth science, and mathematics.
Website previewAbout PhET Interactive Simulations
PhET Interactive Simulations is a University of Colorado Boulder project with free, research-based simulations for science and math. The library can be browsed by subject, grade level, device compatibility, and accessibility features, with teacher-submitted lessons alongside the simulations.
Age and access
This resource is listed for ages 8–18. It is available as Website, Downloadable and is listed as free. The listed language coverage is English, Spanish, French, German.
What stands out
- Makes abstract science and math ideas visible through manipulation and experimentation
- Supports elementary through university levels with clear grade filters
- Offers many translations and accessibility-focused simulation features
How the score is built
The project combines research-based design with a large science and math simulation library.
Children can manipulate variables, test ideas, and observe results.
The official project describes the simulations as free and supports online and offline use.
Subjects include physics, math, chemistry, Earth science, and biology.
Parent notes
- The simulations are flexible learning tools rather than a complete curriculum, so adults should pair them with a question, lesson, or discussion.
- Teacher resources and account features may differ from the core simulations.
- The stored preview shows the official browse page with simulation thumbnails and no cookie popup, ad overlay, or placeholder image.
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This resource is included in the following subject and format shortlists.
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