Pupils perform an experiment to determine the best insulation material. They can come up with the best way to insulate using more than one material. Half of the class could try two materials to see if that makes a difference.
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Liquid Nitrogen Experiments: Insulators
What is an insulator? What materials make the best insulator? Watch as Joanne and Steve conduct a simple experiment to see if a plastic cup insulates better than a styrofoam cup. Make a prediction: which do you think will be the better...
5 mins 4th - 8th Science