Magnet Interactions

A ____________ is a special metal that attracts other metals.

• coil
• magnet
• bunker
• repellant

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Magnets attract to __________________.

• iron
• nickel
• cobalt
• all of the above

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True of False:  Magnets attract to aluminum foil.

• True
• False

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_______________________ is the invisible force that flows through a magnet.  

• repel
• copper
• attraction
• magnetism

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What happens when the North pole of a magnet interacts with another magnet's north pole?

• attract
• repel

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A magnet can lose its magnetic properties if you ___________________

• drop or hit the magnet
• put the magnet in a strong magnetic field that is opposite of its own
• heat up the magnet
• all of the above

True or False:  An electromagnet can function without electricity.

• True
• False

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There are several modern uses of magnets.  A ________________________ can have million of magnets.  Each magnet points in its own direction, making a code.  This allows an individual to make purchases.

• Driver's License
• Check Book
• Credit Card
• TV

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True or False:  A permanent magnet stays magnetized for a long time

• True
• False

There are several modern uses of magnets.  ________________________ make electricity by spinning magnets around coils of wire.  The magnetism makes an electric current in the wire.

• ceiling fans
• smoke detectors
• flashlights
• generators

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