Electromagnet!

Brayden's Dad demonstrating how to make a special kind of magnet.



An electromagnet is a type of magnet in which the magnetic field is produced by electric current.

Electromagnets are found in motors, tape decks, hard drives, VCRs and tons of other devices.

 

 

http://www.sciencebob.com/experiments/electromagnet.php

 

Click the link if you'd like to try this experiment at home.