A insulator are things that never lets heat escape.
Five materials were tested for the ability to insulate. They are plastic, paper, polystyrene, glass, and metal.
The best insulator for keeping it warm were glass and polystyrene. The worst insulator were plastic, paper, and metal.
The best insulator for keeping it cool were plastic, paper, and polystyrene. The worst insulator were glass, and metal.
The best one for both warm and cold was polystyrene.
An insulator can determine how fast or slow the heat energy can escape.
LI: to learn and practise experimental methods.
LI: to determine the insulative properties of materials.
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