Thermal insulation experiment. Materials to be used in an experiment to compare the insulating properties of various materials. The materials will be wrapped around a beaker of hot water (lower right) and the rate of change in temperature measured using a thermometer (to left of beaker). The materials being tested here are tissues, newspaper, cardboard, bubble wrap, cotton wool, carpet, packaging foam, and polystyrene.
Model release not required. Property release not required.