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Learners build a simple one-cell battery and use an ammeter to measure the flow of current.

In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.