Electricity and Magnetism

Look at the diagram. One charge is negative. What is the other charge?

• positive

• negative

• neutral

• We cannot tell.

A magnet can attract a magnetic object without touching it.

• True
• False

Which TWO objects will a magnet attract?

• a wooden pencil

• a plastic plate

• a steel fork

• a rubber shoe

• an iron nail

The shock that you feel in your finger as you touch a metal doorknob happens because of _____.

• static electricity

• electric current

• friction

• balanced forces

Two horseshoe magnets are brought near each other as in the picture.
How will the magnets affect each other?

• They will attract each other.

• Nothing will happen. Horseshoe magnets do not interact with each other.

• They will cause an electric spark between them.

• They will repel each other.

What question would help determine the cause of a paperclip moving toward a magnet?

• What is the color of the paperclip?

• How strong is the magnetic force from the magnet?

• Is the magnet heavier than the paperclip?

• What sound does the paperclip make?

The north pole of a magnet will attract the _____ pole of another magnet.

A negative charge will _____, or pull on a positive charge.