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In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a

In this chemistry activity, learners will test the pH of various foods and household substances using cabbage.

In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.