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Skewering Balloons: Organic Polymers
Students view a demonstration that illustrates the properties of rubber or latex when polymer molecules stretch around a point. They observe as the teacher skewers a loosely inflated balloon through the nipple end and out through the tie end.
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What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...
10th - 12th Science CCSS: Designed