PhET
Verified working Aug 1, 2026
Interactive STEM simulations from the University of Colorado Boulder.
PhET provides browser-based simulations for physics, chemistry, biology, earth and space science, and math. The site is aimed at classroom and self-directed learning, with teacher activities, translations, accessibility work, and professional-learning materials around its simulation library.
Why it stands out
- Backed by a university research group rather than a generic edtech marketplace.
- Covers multiple STEM disciplines in one consistent simulation environment.
- Large international reach, with many interface language options and translated simulation materials.
- Pairs simulations with teaching activities and educator training resources, not just standalone interactives.
- Includes accessibility and inclusive-design initiatives as a visible part of the project.
Good to know
- Best suited to interactive concept exploration, not as a complete course platform or learning management system.
- The site recommends modern browsers such as current Chrome, Firefox, Safari, or Edge.
- Advanced customization through PhET Studio appears to involve a trial and paid licensing path.
Under the radar: Creating an account is useful for repeat classroom use because it exposes saved bookmarks and presets, which can reduce setup time when reusing the same simulations across sections.
Photos
STEM teachers who need ready-to-use interactive models for demonstrating abstract science and math concepts. Let students explore variables in a virtual lab before or after hands-on experiments. Find translated simulations for multilingual classrooms. Build lessons around contributed teaching activities and PhET pedagogy resources.
Searchable simulation library by subject; teacher activity contributions; translated simulations; customizable simulation options through PhET Studio; account features such as bookmarks, presets, and contributions; professional learning and virtual workshop resources; accessibility and offline-access information.
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Similar sites elsewhere
- GeoGebra — geogebra.org
- The Concord Consortium — concord.org
- CK-12 — ck12.org
- The Physics Classroom — physicsclassroom.com
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