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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.

This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

In this activity, learners will build an air cannon out of simple materials you can find around the house. Although air is invisible to the eye, it is not by any means empty space!

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.