Insulators are used to block heat from escaping. There was 5 different materials to use to find the coolest and warming material: polystyrene, metal, paper, plastic and glass.
The coolest materials are plastic, paper and tin. Which means those materials were a bad insulator.
The most warming materials are paper and polystyrene. Which means those materials are good insulators.
Polystyrene is the best materials out of both experiments because it kept everything cool and warm.
L.I: To learn and practice experimental methods
L.I: To determine the insulative properties of materials
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