Electromagnets

Explore the interactions between a compass and bar magnet. Discover how you can use a battery and wire to make a magnet! Can you make it a stronger magnet? Can you make the magnetic field reverse? Platforms: Mac

* Predict the direction of the magnetic field for different locations around a bar magnet and an electromagnet. * Compare and contrast bar magnets and electromagnets. * Identify the characteristics of electromagnets that are variable and what effects each variable has on the magnetic field's... Platforms: Mac