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Play with a bar magnet and coils to learn about Faraday's law. Move a bar magnet near one or two coils to make a light bulb glow. View the magnetic field lines. A meter shows the direction and magnitude of the current. View the magnetic field lines or use a meter to show the direction and magnitude of the current. You can also play with electromagnets, generators and transformers!

Sample Learning Goals
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 strength and direction.
Relate magnetic field strength to distance quantitatively and qualitatively.
Identify equipment and conditions that produce induction.
Compare and contrast how both a light bulb and voltmeter can be used to show characteristics of the induced current.
Predict how the current will change when the conditions are varied.