Wednesday we did the classic blubber experiment. I did it a couple of years ago and ended up using vegetable oil. This year I tried vegetable fat (basically margarine - I bought the one with the highest percentage fat, which was 75%). Children put their hand into a plastic glove and then I tried molding the softened margarine around the glove and then covering that in a small plastic baggie. It was kind of tricky and messier than oil, but I think it gets the idea of a layer of fat (blubber) across a bit better. After the first child went, it was kind of molded into a blubber mitten of sorts and was not too terribly difficult to deal with.
Check out the worksheets and instructions I created for this experiment here.
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