Today I discussed energy with the pre-K/K kids. I followed the same basic plan as I did when I discussed energy with the elementary kids (minus the last three paragraphs). I know they've studied the water cycle quite a bit, so at the end I related it to the water cycle: water in the clouds has potential energy, water in the river has energy of motion, damming the river stores the energy, letting water our of the dam turns a turbine which generates electricity, etc.
In the remaining time, instead of having the kids draw pictures of different forms of energy as I did with the elementary kids, I let them play with the lights, prisms and lenses which were so popular last week. The primaria kids loved them too. They were very disappointed when science time was up; in fact, one of them cried so much that I decided to leave all the materials at the school so that they could play with them in afterschool care as well. This is a good thing for the future of science: girls crying for more science time! Apparently this activity was a big hit in aftercare as well.
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