Insulators are used to stop heat from moving place to place. Five materials were tested for the ability t0o insulate: glass,plastic,metal,paper, and polystyrene.
The best insulator for keeping things warms was glass,plastic and paper. The worst were polystyrene.
The best insulator for keeping things cold are glass. The worst things that keep things cold were tin.
The best insulator for both is paper.
LI: to learn and practice experimental methods.
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