To complete this summary, fill in each blank with the correct word or phrase. Then, use the key below to check
your answers. You can use this page to review the main
concepts of the lesson. A magnet is any material
that attracts iron or any
substance that contains iron. There are different types of magnets.14 Magnetic materials exert
and have magnetic
and 15 If the of
a material are lined up, the object will be
magnetic.16 A material such as iron is
17 A(n)
is a magnet produced by electricity.18 An object can become
a(n)
magnet by rubbing the object with
the end of a magnet. Earth acts like a magnet because it has
properties similar to those of magnets.19 Earth has a and
north and south