Insulators Worksheet
Explore the properties of insulators and conductors with this Grade 4 science worksheet, featuring questions on heat and electricity.
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Insulators Worksheet
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Read each question carefully and answer to the best of your ability.
Insulators are materials that do not allow heat or electricity to pass through them easily. They are very important for safety and for keeping things warm or cool.
1. Which of these materials is a good insulator of heat?
Metal
Wood
Copper
Iron
2. Why are electrical wires often covered in plastic or rubber?
To make them look colorful
Plastic and rubber are good electrical insulators
To help electricity flow better
They are conductors of heat
3. A material that does not allow heat or electricity to pass through it easily is called an .
4. Clothing made of wool helps to keep you warm because wool is a good insulator.
5. All metals are good electrical insulators.
True
False
6. Air is a poor conductor of heat, making it a good insulator.
True
False
7. Name two materials that are good insulators of electricity.
8. Why is it important to use insulating materials in your home?
This image shows an electrical insulator used on railways.
Use the words below to complete the sentences.
9. A spoon made of metal is a good of heat.
10. Rubber gloves protect you from because rubber is an .