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Witches' Potion Demonstration
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In this chemistry demonstration, learners will discover that phenolphthalein is an acid/base indicator. One learner will read a poem about four witches making a potion.

Homework, Hogwarts Style
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

Comparing the Amount of Acid in Different Solutions
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.

Cabbage Juice Indicator
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In this chemistry activity, learners make indicator solution from red cabbage. Then, learners test everyday foods and household substances using the cabbage juice indicator.

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

Cabbage Juice Indicator: Test the pH of household products
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Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.

Spicy Indicator: Use turmeric to test for bases in your home
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This activity uses turmeric, a common spice in curry, as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances, but turns bright red with bases.

Shake It Up!
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Learners observe a sealed container holding a clear colorless liquid. They shake the container and the fluid turns blue. When allowed to sit for a few moments, the fluid turns colorless again.

Edible Ink
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In this chemistry activity (page 6 of the PDF), learners observe a chemical change. Learners write and reveal a secret message using edible ink.