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Snacks tagged with "electromagnet"

Science activity that demonstrates a magnetic field created by electromagnet
Circles of Magnetism

Make a magnetic field that's stronger than Earth's.

Science activity that uses a coil of wire, a paper cup and a magnet to create a radio speaker
Cup Speaker

Make a speaker that turns changing electric current into sound.

Science activity to change the measured weight of an object without touching it
Electromagnetic Antigravity

Change the measured weight of an object—without touching it.

Science activity that explores an electromagnet
Magnetic Suction

Ding dong! This investigation shows how your doorbell works.

Science activity demonstrating that magnets can affect things that aren’t magnetic
Mind the Magnetic Gap

Magnets can affect things that aren’t magnetic.

Science activity that demonstrates magnetic field coupling
Modulated Coil

Hear the magnet!

Science activity that demonstrates electromagnetism
Motor Effect

A magnet exerts a force on current-carrying wire.

Science activity investigating electromagnetics and motors
Stripped-Down Motor

Make a simple mini-motor.

 

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Attribution: Exploratorium Teacher Institute