Electricity

Why do electricians always wrap wires in plastic?

• Plastic comes in many different colors

• Plastic is a good electrical conductor

• Plastic makes the wires easy to bend

• Plastic is a good electrical insulator

Which of these materials is a good conductor of electricity?

• Rubber

• Metal

• Newspaper

• Glass

 Electricity that flows in a closed path is called a

• circuit

• path

• current

• block

The flow of electricity in a circuit is called-

• circuit

• current

• flow

• wave

____________ allows electricity to flow.

• A magnet

• An insulator

• A conductor

• A bulb

Two batteries in a circuit make the lights in the circuit brighter than one battery.

• True

• False

If the lights are on, the circuit is

• closed

• open

• broken

• parallel

Which one of the follwoing is not a component of a circuit?

• bulb

• wire

• ribbon

• bulb holder