TeacherSource.com/ Made only in Australia, the Dropper Popper seemingly defies the laws of physics by bouncing higher than where you dropped it from! Unlike similar products. It is molded into a very special shape that allows it to store elastic potential energy and then convert it to kinetic energy with a POP when dropped from a low height (i.e. a small amount of activation energy is applied.) Drop it from a height of about 4 feet and it will jump to 8 feet or more. Dropper Poppers make a great 'activation energy' demonstration. An engaging activity for any Physics or Chemistry Class! See our website to download lesson ideas.

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