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Magnets

 

What are magnets?


The main magnetic elements are three transition metals. They are:

 

  • Iron
  • Cobalt
  • Nickel

 

Steel is a mixture of iron and carbon. Since steel has a lot of iron, it is magnetic.

 

Magnets have two magnetic poles:

 

  • North pole – points to the North
  • South pole – points to the South

 

Image of a bar magnet. North polarity is indicated by the colour red and South polarity is indicated by the colour blue.

 

A bar magnet

 

Attraction and Repulsion


Bar magnets are the most common magnets. They have two ends, called poles: one north, and one south. When you bring two north ends together, they push each other away. The same happens when you bring two south ends together. When you bring a north and a south end together, they pull each other closer. We say that opposite poles attract, and same poles repel.

 

Image showing two magnets with the same polarity facing each other and arrows showing the magnetic field being repelled.

 

Like poles repel.

 

mage showing two magnets with the opposing polarities facing each other and arrows showing the magnetic field being attracted.

 

Opposite poles attract.

 

Summary:

 

  • The two forces that occur when you put magnets together are attraction and repulsion.
  • Opposite poles attract.
  • Like poles repel.

 

 

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