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Marble Collisons

Some days you wish every parent could see what is happening in their child’s classroom. Friday was that kind of day! Students were studying energy transfer: how a rolling marble transferred energy to a still marble on impact, and how the steepness of the incline affected that transfer. Every student was fully engaged. And then…after finishing, one group decided to try the same experiment but using a yardstick, thus changing the length of the inclined ramp. Other groups caught the vision, and suddenly my students became scientists excited to create their own experiments!

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