Insulators means blocking the heat from trying to escape.
There were 5 different materials: Glass, metal, polysyrene, plastic, and cups.
The best insulator for keeping things warm are polystyrene because it is a cooling rate of 8.
The best insulator for keeping things cold are polystyrene and paper because it is a cooling rate of 2.
L.I To learn and practise experimental methods
L.I To determine the insulative properties of materials
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