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In this chemistry demonstration, learners will discover that phenolphthalein is a chemical that displays different colors depending on the acidity or basicity of the environment.

Visitors prepare six solutions combining vinegar and ammonia that range incrementally from acid (all vinegar) to base (all ammonia).

In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

Using electrolysis, learners produce hydrogen gas and oxygen gas from water molecules in a solution.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?