I protect and insulate, I come in layers, I can be found in walls but am not seen. What am I?

Category: Science · Difficulty: easy

Hint: Think about materials used to retain heat.

Answer

An insulator

Explanation

An insulator is a material that resists the flow of heat or electricity, providing protection and efficiency.

This is an easy science riddle — a good one for children and beginners. The answer is An insulator.

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