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Finding Colors
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In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.
Breathing Blue
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.
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.
Iodine Investigators!
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.
Starch Breakdown
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Learners use Benedict’s solution and heat to test for the presence of simple sugars in glucose, sucrose, starch, and starch combined with amylase.
Forwards and Backwards
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In this activity, learners explore acids and bases by preparing six solutions that combine vinegar and ammonia, ranging from acid (all vinegar) to base (all ammonia).
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.