Dive in!(insulation experiment)

Science World | November 14, 2005 | Copyright

How do penguins and whales cope with the extreme cold in the icy Antarctic region? They have an adaptation (trait that helps an animal survive) called insulation. Try this experiment to find out how insulation works.

You Need:

3 resealable plastic bags (medium-size) * 2 trays of ice cubes * large bowl * cold water * thermometer * * feathers * masking tape * stopwatch * paper towels * 1 large can of vegetable shortening * pencil * paper * lab partner

* Look for feathers in a novelty store or a sewing supply store. Or use stuffing from an old pillow. If you can't find ...

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