Magnets are Used Every Day Magnets Magnets are

Magnets are Used Every Day

Magnets • Magnets are used every day. • Sometimes we can see the magnets such as the ones we use on our fridge to hold papers.

Magnets • 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.

Transportation • 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.

Jewelry • Magnets can be used to make jewelry. • Some necklaces and bracelets are made from a series of linked magnets.

Junkyards • Magnets can be used to separate magnetic metals (iron, steel, and nickel) from nonmagnetic metals such as aluminum cans. steel cans: magnetic aluminum can: non-magnetic

Toys

Here is a can opener. Can you see the magnet? Where is the magnet on the can opener?

Here is a compass. Can you see the magnet?

Here is a name tag. Can you see the magnet?

Here is a fridge. Can you see the magnet?

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

Magnets are used every day… • We can see the magnets. • We can’t see the magnets. – – – Toys Tools Name tags Can openers Compasses – – – – Credit cards CD players Washing machine Fax Computers Fridge doors Electric motors MRI machine