Understanding Insulators
A worksheet for 6th graders to learn about electrical and thermal insulators, their properties, and common applications in everyday life.
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Understanding Insulators
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following is the best definition of an electrical insulator?
A material that easily allows electricity to pass through it.
A material that resists the flow of electricity.
A material that produces electricity.
A material that converts electricity into heat.
2. Why are plastic coatings often used on electrical wires?
To make the wires look nicer.
To help the wires conduct electricity better.
Because plastic is a good electrical insulator, preventing shocks.
To make the wires stronger.
3. A material that does not allow heat to pass through it easily is called a insulator.
4. Wood, plastic, and rubber are examples of good .
5. Metals are generally good thermal insulators.
True
False
6. Give two examples of how insulators are used to keep us safe in our homes.
7. Look at the image below. Identify one part that acts as an insulator and explain why it is important.
Use the words in the bank to complete the sentences below.
8. Materials that allow heat and electricity to flow easily are called .
9. A thick blanket is a good insulator, keeping you warm.