How do humans and animals keep warm in the Arctic?

This afternoon we have conducted a science experiment too see which materials keep water the warmest. We used bubble wrap, fleece and cloth. We had to predict which one we though would be the best insulator. Most of us predicted it would be fleece or bubble wrap which would keep the water the warmest. We had to use thermometers to record the temperatures and drew graphs with our results. Overall, most groups found the fleece or bubble wrap were the best insulators whereas the cloth was the worst insulator. We understand that in extreme cold, like the Arctic, humans wear specialist clothes which include fur linings and wear multiple layers similar to bubble wrap.

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