Magnets and Magnetism

Front

A ____________ is a special metal that attracts other metals.

Back

magnet

Front

Magnets attract to: iron, nickel, cobalt, all of the above

Back

all of the above

Front

True or False: Magnets attract to aluminum foil.

Back

False

Front

What is the invisible force that flows through a magnet?

Back

magnetism

Front

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

Back

repel

Front

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.

Back

all of the above

Front

True or False:  An electromagnet can function without electricity.

Back

False

Front

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

Back

Credit Card

Front

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

Back

True

Front

What makes electricity by spinning magnets around coils of wire?

Back

generators