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    The Science House
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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. Learners will be...

    $5 - $10 per group Ages 6 - 18 Under 5 minutes
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    Sciencenter
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    In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders. Learners first explore what happens when baking soda, baking powder, and...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    The Exploratorium
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    Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator. This activity also has helpful...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes