About Under Pressure
Explore pressure under and above water. See how pressure changes as you change fluids, gravity, container shapes, and volume.
How to play Under Pressure
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Explore pressure under and above water.
Questions & answers
- What is Under Pressure?
- Under Pressure 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. Explore pressure under and above water. See how pressure changes as you change fluids, gravity, container shapes, and volume.
- What can kids learn from Under Pressure?
- It helps kids explore: describe how pressure changes in air and water as a function of depth. describe what variables affect pressure. predict pressure in a variety of situations.
- What age is Under Pressure 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 Under Pressure free to play?
- Yes — Under Pressure is completely free on crumble.lol and runs fully in your browser on computers and tablets.