About Diffusion
Mix two gases to explore diffusion! Experiment with concentration, temperature, mass, and radius and determine how these factors affect the rate of diffusion.
How to play Diffusion
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Mix two gases to explore diffusion!
Questions & answers
- What is Diffusion?
- Diffusion is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. Mix two gases to explore diffusion! Experiment with concentration, temperature, mass, and radius and determine how these factors affect the rate of diffusion.
- What can kids learn from Diffusion?
- It helps kids explore: explain how two gases mix. design an experiment to find the factors which affect the rate of diffusion.
- What age is Diffusion good for?
- It is designed for middle school (roughly ages 10–14) up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Diffusion free to play?
- Yes — Diffusion is completely free on crumble.lol and runs fully in your browser on computers and tablets.