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Book 1, Question 104 · Video

Why Do Magnets Stick? North, South and Tiny Iron Bits!

Video · 2:12 · Crafty Clover explains, from A Million Whys Book 1

Magnets have a north pole and a south pole. Opposite poles pull together and the same poles push apart. Tiny iron bits inside some metals line up and get pulled by a magnet. The pa

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What Crafty Clover says in this video

Intro

Hi! I'm Crafty Clover! Let's discover something amazing. Why do magnets stick?

The Big Idea

Magnets snap together, push apart, and grab the fridge! But why? Magnets have an invisible force around them, called a magnetic field. It pulls on some metals, and on other magnets. Let's see how it works, step by step!

Magnets Have a North and South Pole

Step one: magnets have a north pole and a south pole. Every magnet has two ends, and its force is strongest at those poles. Even if you break a magnet in half, each piece gets its own north and south pole!

Opposite Poles Pull, Same Poles Push

Step two: opposite poles pull, and same poles push. Put a north pole near a south pole, and snap! They pull together. But put north near north, and they push apart, like invisible hands!

Tiny Iron Bits Line Up and Get Pulled

Step three: tiny iron bits inside some metals line up, and get pulled. Iron, nickel, and steel are full of tiny magnetic zones, pointing every which way. When a magnet comes close, those zones line up, and the metal gets pulled right to the magnet!

A Bar Magnet Up Close

Let's look closer at a bar magnet! Those dashed lines show its invisible magnetic field. The lines loop out from the north pole, and curve around into the south pole. A compass needle is a tiny magnet, too. It lines up with Earth's field, and points north!

Quick Facts

Quick facts! Magnets do not stick to wood or plastic. Aluminum soda cans don't stick either, even though they're metal! Planet Earth itself acts like a giant magnet. And fridge magnets hold up your art with that invisible pull!

Think Like a Scientist

Now, think like a scientist! Test a magnet on a spoon, a coin, and a pencil. First, make a prediction. Which ones will stick? Then try it, and notice what happens. Some spoons and coins stick, and some don't. It depends on the metal inside! Record your results!

Outro

Magnets stick because opposite poles pull, and tiny bits inside iron line up and get pulled in. Stay attracted to science! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

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