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Polar Blubber

During our winter unit we talked about arctic animals and animals that hibernate.  We brainstormed why animals that live in the arctic could stay warm.  We experimented with "polar blubber" (crisco) and ice water.  Here is what we did:





Our conclusion is that the "blubber" helped keep our hands warmer than just the baggie alone.  This layer of fat helps artic animals stay warm in the coldest places on Earth.