Unformatted text preview: Magnets
What do we already know? What are we going to learn today?
What are we going to learn today? What the characteristics of magnets are
That magnets can repel and attract each other
How magnets behave
What happens when you put two magnets together What are the characteristics of What are the characteristics of magnets? They can attract some materials
They can also repel other magnets
They are usually made of iron
They have two ends called magnetic poles What do all these new words What do all these new words actually mean?
A stone or a piece of metal that attracts some other metal. Attract
To pull towards each other. Repel
To push away from each other. Poles
The ends of a magnet. What do the poles do?
What do the poles do?
When a magnet is held from a string: The north pole points north The south pole points… can you guess?
How do we know this?
We can measure it with a compass!
On school magnets, the RED pole is the north pole and the BLUE pole is the south. But what happens if you put two But what happens if you put two magnets together? Talk to your partner what do you think? So let’s try it. First of all, north to south…
south to north…
north to north…
south to south… What did we find out?
What did we find out? So now we know that “like” poles repel each other…
and that “opposite” poles attract each other. They do this because there is a FORCE between them. ...
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- Fall '11
- Magnetism, Magnet, magnets Magnets, north…, south…