PhET Interactive Simulations

PhET Interactive Simulations is a free educational website that offers interactive simulations to help students learn science and mathematics in a simple and visual way. It was created as a non-profit project at the University of Colorado Boulder with the goal of improving how subjects like physics, chemistry, biology, and math are taught.

The main idea of PhET is that students learn better by exploring and experimenting instead of only reading or listening. On the website, users can interact with virtual simulations that behave like real scientific systems. For example, they can build electric circuits, explore how forces work, or see how molecules move. These simulations are designed to be fun, visual, and easy to use, often with tools like sliders, buttons, and drag-and-drop actions.

One important feature of PhET is that it helps make abstract or invisible concepts easier to understand. Things that are normally hard to see—like atoms, energy, or electric fields—are shown through animations and graphics, allowing students to see how they work in real time. The simulations also give immediate feedback, so learners can observe cause-and-effect relationships as they change variables.

Another key aspect is that all the simulations are research-based and tested in real classrooms to make sure they are effective for learning. They are also free, open-source, and available online or for download, which makes them accessible to teachers and students all over the world

https://phet.colorado.edu/