Conductors and Insulators Quiz

Which material is best for letting electricity flow through?

• Plastic

• Copper

• Wood

• Rubber

What do insulators do in an electrical circuit?

• Speed up the electricity

• Let electricity pass through easily

• Stop electricity from passing through

• Make the electricity stronger

Which of the following is a good insulator?

• Iron

• Water

• Plastic

• Silver

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Why are electrical cords covered with plastic or rubber?

• To make them flexible

• To keep them from getting wet

• To prevent people from getting shocked

• To make them look colorful

What makes a material a good conductor of electricity?

• It is soft.

• It lets electricity pass through it easily.

• It is always cold.

• It can absorb water.

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Why do we use insulators in making electronic devices?

• To make the devices look nice

• To make the devices work faster

• To protect the devices from too much heat

• To keep electricity from going places it shouldn't

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Which of these is NOT a property of a conductor?

• It has a shiny surface.

• It allows heat to pass through.

• It can hold electricity without letting it go.

• It can carry electrical current.

What is the main role of insulators in our homes?

• To make appliances work better

• To keep us safe from electrical shocks

• To reduce the electricity bill

• To increase the flow of electricity

Which of the following is an example of using a conductor?

• Wearing rubber gloves when working with wires

• Using a wooden spoon to stir hot soup

• Using metal wires to connect a light bulb in a circuit

• Covering wires with plastic insulation

What is the difference between conductors and insulators?

• Conductors are only used in electronics, while insulators are used in homes.

• Conductors can be stretched, while insulators cannot.

• Conductors allow electricity to flow, while insulators prevent it.

• Insulators can be eaten, while conductors cannot.

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