About Friction
Move the Chemistry book and observe what happens.
How to play Friction
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Move the Chemistry book and observe what happens.
Questions & answers
- What is Friction?
- Friction 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. Move the Chemistry book and observe what happens.
- What can kids learn from Friction?
- It helps kids explore: describe a model for friction a molecular level. describe matter in terms of molecular motion. the description should include: diagrams to support the description, how the temperature affects the image, what are the differences and similarities between solid, liquid and gas particle motion; how the size and speed of gas molecules relate to everyday objects.
- What age is Friction good for?
- It is designed for elementary school (roughly ages 5–10) up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Friction free to play?
- Yes — Friction is completely free on crumble.lol and runs fully in your browser on computers and tablets.