About Magnet and Compass
Explore the interactions between a compass and bar magnet. Relate the Earth’s magnetic field to a bar magnet. Vary the magnet's strength, and see how things change both inside and outside. Measure the direction and magnitude of the magnetic field.
How to play Magnet and Compass
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Explore the interactions between a compass and bar magnet.
Questions & answers
- What is Magnet and Compass?
- Magnet and Compass 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 the interactions between a compass and bar magnet. Relate the Earth’s magnetic field to a bar magnet.
- What can kids learn from Magnet and Compass?
- It helps kids explore: predict the direction of the magnetic field for different locations around a bar magnet and an electromagnet. relate magnetic field strength to distance quantitatively and qualitatively. describe how the earth's magnetic field relates to a bar magnet.
- What age is Magnet and Compass 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 Magnet and Compass free to play?
- Yes — Magnet and Compass is completely free on crumble.lol and runs fully in your browser on computers and tablets.