Electrical and Magnetic Properties of Materials

What is a material that allows electricity to flow through it easily called?

• magnet

• insulator

• resistor

• conductor

Which of the following is a good conductor of electricity: wood, metal, or plastic?

• metal

• glass

• rubber

• paper

What is a material that does not allow electricity to flow through it easily called?

• Electricator

• Conductor

• Insulator

• Semiconductor

Which of the following is an insulator: rubber, copper, or aluminum?

• rubber

• gold

• iron

• silver

What type of material is attracted to magnets?

• Paramagnetic materials

• Diamagnetic materials

• Ferromagnetic materials

• Non-magnetic materials

True or False: Like poles of a magnet repel each other.

• False

• Sometimes

• Maybe

• True

True or False: Opposite poles of a magnet attract each other.

• Sometimes

• False

• True

• Maybe

What is the flow of electric charge called?

• power wave

• charge stream

• electric flow

• electric current

Which of the following is a source of electricity: battery, rock, or tree?

• leaf

• water

• stone

• battery

What is a closed loop through which an electric current can flow called?

• power loop

• closed circuit

• electric line

• electric circuit