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PhET Interactive Simulations Review

Highly recommended for students, teachers, and parents who want to make science concepts visible.

FreeSome features require signupChinese-friendly

What problem does it solve?

understand science and math concepts through simulations

Best for

teachers, students, parents, and self-learners

Free limits

As of this review, core simulations are free to open and use. Saving, teacher resources, or classroom features may require an account.

How to use

  1. Open the site
  2. Browse by subject or search a topic
  3. Open a simulation
  4. Adjust variables and observe the result

Yong’s Take

A genuinely high-quality free education resource: free, authoritative, and useful. It helps learners see concepts rather than only read them.

UAT hands-on notes

Hands-on note: subject navigation and simulation entries are clear, and many simulations can be used directly in the browser. Good for teaching, tutoring, and self-study.

Pros

  • Authoritative education source
  • Interactive and easier to understand than text alone
  • Multilingual support including Chinese

Cons / gotchas

  • Best for concept understanding, not a full course replacement
  • Some teacher features may require accounts
  • Younger learners may need guidance

Alternatives / similar options

This section shows same-task alternatives. Items already reviewed link to FreeSiteHub pages; unreviewed items stay as collection candidates.

  • Smartedu
  • Khan Academy
  • GeoGebra

Smartedu

Pending official URL, free limits, and hands-on UAT; kept as a similar candidate for now.

Candidate
To reviewExternal
Visit ↗Collect

Khan Academy

Pending official URL, free limits, and hands-on UAT; kept as a similar candidate for now.

Candidate
To reviewExternal
Visit ↗Collect

GeoGebra

Pending official URL, free limits, and hands-on UAT; kept as a similar candidate for now.

Candidate
To reviewExternal
Visit ↗Collect

Creator channel × resource hub

Watch Yong's full review video

Coming soon

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Sources and disclaimer

Sources: official PhET Interactive Simulations pages plus FreeSiteHub independent hands-on review notes. Reviewed on 2026-05-11.

Third-party features, pricing, free limits, page content, availability, and policies may change. FreeSiteHub only provides independent review notes and outbound recommendations; we do not own, host, or guarantee third-party content. Check the original site before use.