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In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

In this activity, learners build a switch to turn electrical circuits on and off.

Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

In this physics activity (page 8-9 of the PDF), learners will explore wind energy. They will build their own windmill and see how energy from wind can be converted into a useable form.

Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.