Electrical Conductors and Insulators Quiz

What is the metal inside the wire?

• Gold

• Iron

• Copper

• Aluminum

What is the purpose of the plastic casing on wires?

• To make them easier to bend

• To increase conductivity

• To prevent electric shock

• To make them look better

Which material is a good electrical insulator?

• Aluminum

• Copper

• Steel

• Glass

What happens if the copper inside the wire is exposed?

• It conducts electricity better

• It becomes magnetic

• It becomes brittle

• It can cause an electric shock

What is the main function of an electrical conductor?

• To block electricity flow

• To allow electricity flow

• To generate electricity

• To store electricity

Which of the following is NOT a good insulator material?

• Wood

• Copper

• Plastic

• Glass

Why is copper used as the conductor inside wires?

• Because it is lightweight

• Because it is easy to shape

• Because it is a good conductor of electricity

• Because it is cheap

What can happen if wires without plastic casing are touched?

• They become electrified

• They become magnetic

• They can cause an electric shock

• They become hot

What is the role of plastic in wires?

• To make the wire stronger

• To make the wire more flexible

• To increase conductivity

• To prevent electricity flow

Why should wires never be played around with?

• Because they are fragile

• Because they can cause electric shock

• Because they are boring

• Because they are expensive