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In this activity on page 2 of the PDF, learners discover how color changes can help scientists distinguish between acids and bases.

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

Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.

Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.