In the warm morning sun, they learnt about Solar Energy (taught by my dear hubby who did a great job!) Then they went on to learn about wind energy (taught by another dad), and kids made a model of a wind turbine. As it wasn't a really windy day, they had to use a hand fan to make it move.
That done, (phew so many lessons.....but they were each kept short) we went to the river, where they learnt about water energy. Some of these lessons are repeats, but was worth a repeat, especially since class was conducted outdoors!
fast flowing water caused the attached bulb to light up
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