Magnets produce an invisible area of magnetic force that is called a magnetic ________.

Magnets have a magnetic ​ (a)   pole and a magnetic ​ (b)   pole.

Objects made from metals such as iron, nickel and cobalt are ​ (a)   .

Materials such as plastic, wood, and glass are ________.

When the same pole from two magnets are placed near one another, they will __________.

When ​ (a)   poles are placed near one another, they will attract.

Every magnet has two different sides, or ends, called __________.