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Polar Bear Experiment

For British Science Week, Team 2 did an investigation to discover how polar bears stay warm in the Arctic Ocean.

Our hypothesis was that polar bears stay warm in the freezing cold water because they are covered in thick fur.

Firstly, we got a box of icy water.

Next, we put goose fat in a rubber glove, to imitate the layers of fat under a polar bear’s skin.

Then, we put our hand in the glove and dipped it into the icy water.

Finally we dipped our other hand, without the glove, into the cold water.

We discovered that animal fat kept our hand warm in the icy water. Therefore, we learnt that it is fat which keeps the polar bears warm in the Arctic Ocean, rather than their fur!