First the two classes looked at Galileo's ball experiment, where a ball is passed down a tube of plastic.
When suspended at the top of the tube, the ball has potential energy. When the ball is released it transfers it's potential energy into kinetic energy, movement of the rolling ball; sound energy, hearing the ball roll and heat energy, as the surfaces of the ball heats the tube. Once all the potential energy has been transferred into kinetic, sound and heat energy the ball will come to rest.
Melisa said "When the toy is compressed it has potential energy."
Chloe concluded "When the toy goes 'pop' the potential energy is transferred into kinetic, sound and heat energy."
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