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PhET Interactive Simulations
PhET is a library of interactive science and math simulations that run in a browser.
Instead of reading an explanation, a learner moves a control and watches what changes. Topics span physics, chemistry, biology, Earth science and mathematics. These are open-ended tools rather than a game with levels, so a session takes its shape from the question a child brings.
- Ages
- Choose elementary or middle-school simulations
- Works on
- Web browser
- Topics
- Science, Math
- Languages
- English, Multiple translations; varies by simulation
- Listed
- 2026-10-11
What kids do
- Change one variable
- Compare repeated results
- Explore static electricity
- Follow an elementary activity guide
Who it suits
PhET groups simulations into elementary and middle-school collections. Younger children may find it easier to change one setting at a time.
Notes for parents
Most simulations use modern HTML5, while some are built on older technology. Accessibility features and translations differ by simulation.
What you need
- A browser that runs the chosen simulation
Visit PhET Interactive Simulations
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- Coral Reef by Tinybop: Children explore a reef food web, hide an octopus and follow food through a jellyfish to see how ocean life connects.
- Star Walk Kids: Astronomy Game: Cartoons, narrated facts and quick quizzes guide children around a moving solar system and a mobile observatory.
- The Earth by Tinybop: Volcanoes, earthquakes, fossils and shifting sediment, all on screen, showing how the Earth’s surface changes.
- Space by Tinybop: An interactive solar system model where children compare planets, tilt the Earth and follow the phases of the Moon.