magnets are used every day. magnets magnets are used every day. sometimes we can see the magnets...

Magnets are Used Magnets are Used Every DayEvery Day

MagnetsMagnets

• Magnets are used every day.• Sometimes we can see the magnets such as

the ones we use on our fridge to hold papers.

MagnetsMagnets• Sometimes, we can’t see the magnets, but

they are necessary for the object to work such as in a computer’s hard drive.

• Hard disks in a computer record data on a thin magnetic coating.

TransportationTransportation• Magnets are used in some trains. The best

known is the maglev.• Maglev is a shortened combination of the

words magnetic levitation This means the train is lifted above the rail by electro-magnetic force.

JewelryJewelry• Magnets can be used to make jewelry. • Some necklaces and bracelets are made from

a series of linked magnets.

JunkyardsJunkyards• Magnets can be used to separate magnetic

metals (iron, steel, and nickel) from non-magnetic metals such as aluminum cans.

steel cans: magnetic aluminum can: non-magnetic

ToysToys

Can you see the magnet? Can you see the magnet? Where is the magnet on the can Where is the magnet on the can

opener?opener?

Here is a can opener.Here is a can opener.

Here is a compass.Here is a compass.

Can you see the magnet?Can you see the magnet?

Here is a name tag.Here is a name tag.

Can you see the magnet?Can you see the magnet?

Here is a fridge.Here is a fridge.

Can you see the magnet?Can you see the magnet?

Here is a washing machine.Here is a washing machine.Can you see the magnet?Can you see the magnet?

Magnets are used every day…Magnets are used every day…• We can see the magnets.

– Toys– Tools– Name tags– Can openers– Compasses

• We can’t see the magnets.

– Credit cards– CD players– Washing machine– Fax– Computers– Fridge doors– Electric motors– MRI machine