Which is the best conductor?

PicCollageThis week, The Aspirational Sparrow Hawks have been finding out which materials are the best conductors and thermal insulators.  We carried out an experiment to find out which spoon was the best conductor.  After putting butter on the end of spoons(made from different materials), we timed how long the butter took to melt in warm water.  Each group recorded their results but we all found that metal is the best conductor because the butter melted first on the metal spoon.

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