How does a metal detector work?

Have you ever hunted for buried treasure?  You could just start digging anywhere and hope that you would find something.  Or you could use a metal detector to find out…

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What is a Solenoid?

Part of an electromagnet is called a solenoid.  A solenoid is a coil of wire that has an electric current flowing through it. When an electric current flows through a…

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How to make an electromagnet?

An ordinary bar magnet has a magnetic field around it all the time. We call this kind of magnet a permanent magnet. You can also make a magnet by wrapping…

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When was the Compass Invented?

The first explorers had very little to help them find their way around the world. Travelers used simple maps and learned how to find their way, or navigate, using the…

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How to Make a Magnet – Magnets for Kids

How to Make a Magnet?If you have one magnet already, you can magnetize another piece of metal, such as a steel needle, to make a new magnet.This is how to…

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What is magnetism – magnetism for kids

We use magnetism in so many ways that modern life would be impossible without it. We need magnetism to produce large amounts of electricity in power stations. There are magnets…

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