ELECTRIC

Which of these conductor materials can replace a switch to light up a bulb?

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What is the meaning of an insulator?

• It does not allow electricity to flow and the bulb does not light up

• It helps electricity move faster

• It makes the bulb brighter

• It allows electricity to flow and the bulb lights up

Why are electrical wires covered with plastic?

• To help electricity flow faster

• To protect us from electric shock

• To make them colorful

• To make wires stronger

Which of these items is an insulator?

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What is the meaning of a conductor?

• A material that stops electricity from flowing

• A material that allows electricity to pass through and lights up the bulb

• A material that makes electricity disappear

• A material that does not allow electricity to pass through