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What is Magnetism? What is Magnetism?

Types of Magnets Types of Magnets

Everyday Uses Of Magnets Everyday Uses Of Magnets

Magnetism is a force that causes attraction or Magnetism is a force that causes attraction or repulsion between objects.repulsion between objects.

Magnets always contain metal.Magnets always contain metal.

The atoms in a magnetic material, like iron or The atoms in a magnetic material, like iron or steel, all point in the same direction.steel, all point in the same direction.

Magnetic force can travel through many Magnetic force can travel through many materials, even water.materials, even water.

Magnets attract only certain types of materials which are: Magnets attract only certain types of materials which are: steel, iron, cobalt, and nickel.steel, iron, cobalt, and nickel.

Every magnet has two poles.Every magnet has two poles.

The poles are the points where the magnetic force is The poles are the points where the magnetic force is strongest.strongest.

One pole is called the north pole.One pole is called the north pole.

The other is the south pole.The other is the south pole.

The area around a magnet is called the magnetic field.The area around a magnet is called the magnetic field. Magnetic fields are invisible.Magnetic fields are invisible. A magnetic field is created by the magnetism of a A magnetic field is created by the magnetism of a

permanent magnet, or electromagnet.permanent magnet, or electromagnet.

There are different types of magnets.There are different types of magnets. PermanentPermanent TemporaryTemporary ElectromagnetsElectromagnets Magnets come in different shapes and sizes.Magnets come in different shapes and sizes.

Electro-magnets are Electro-magnets are temporary magnets that temporary magnets that are formed when are formed when electricity flows through a electricity flows through a coiled wire.coiled wire.

Electromagnets come in all Electromagnets come in all shapes and sizes.shapes and sizes.

electromagnet video.mov

Magnets are used in many everyday items:Magnets are used in many everyday items: TelephonesTelephones Computers and disksComputers and disks RefrigeratorsRefrigerators Maglev TrainsMaglev Trains CompassesCompasses

Take the Webquest Challenge.Take the Webquest Challenge.

What is a magnet?What is a magnet? What is magnetism? What is magnetism? What are magnets attracted to?What are magnets attracted to? Explain what a magnetic field is.Explain what a magnetic field is. Do magnets have poles? ExplainDo magnets have poles? Explain Are there different types of magnets? Name them.Are there different types of magnets? Name them. What are magnets made from?What are magnets made from? What are some uses of magnets?What are some uses of magnets? Do magnets get weaker? HowDo magnets get weaker? How Is there any relation between electricity and magnetism? ExplainIs there any relation between electricity and magnetism? Explain

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Explore the Filamentality Website Explore the Filamentality Website and learn more about magnets.and learn more about magnets.

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