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Book 21, Question 3 · Video

Why Do Opposite Poles Attract but Matching Poles Push Apart?

Video · 1:55 · Crafty Clover explains, from A Million Whys Book 21

Opposite poles pull together, but matching poles push apart. The secret is in the direction of a magnet's field. Electric charges follow a similar rule: opposite charges attract.

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do opposite poles attract but matching poles push apart?

The Big Idea

Opposite poles pull together, but matching poles push apart. The secret is in the direction of a magnet's field. Let's find out how it works!

Fields Have Direction

Step one: fields have a direction. A magnet's field acts as if it wants to connect north to south. You can imagine it flowing from one pole around to the other.

Opposites Join

Step two: opposites join. When a north pole meets a south pole, their fields join up smoothly. That pulls the two magnets together, and they stick.

Likes Push Back

Step three: matching poles push back. When two north poles or two south poles meet, their fields point against each other. The fields push back, and you can feel the magnets shove apart. It is like an invisible hand pushing your hand away. Try it and see!

A Closer Look

Let's take a closer look! Here is a north pole. Here is a south pole. Different poles pull together. Matching poles push apart.

Quick Facts

Quick facts! Electric charges follow a similar rule: opposite charges attract. Matching charges repel, just like matching magnet poles. So the rule is simple: opposites attract, likes repel. Once you know it, you can predict what will happen every time!

Think Like a Scientist

Now, think like a scientist! Find the sides of two bar magnets that stick together. Find the sides that push away. Mark one side of each with a sticker. Predict what will happen, then test it! Share your results with someone you love.

Outro

Opposite poles attract and matching poles repel, because magnetic fields have a direction. Science is amazing! 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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