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Making a Battery from a Potato
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In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.
Forward-Reverse Switch
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In this activity, learners build a switch to turn electrical circuits on and off.
Propeller-Powered Car
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In this activity, learners construct cars that are powered by hand-made, electric propellers.
Soccer Kicks
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This activity (on page 2 of the PDF under SciGirls Activity: Soccer Ball Kick) is a full inquiry investigation into transfer of motion.