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Universal Indicator Rainbow Trout
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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.
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Color Changes with Acids and Bases
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Learners mix a variety of substances with red cabbage juice. The juice changes color to indicate whether each substance is an acid or a base.
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Change in Temperature: Endothermic Reaction
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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.
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Neutralizing Acids and Bases
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.
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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.
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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.
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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.
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pHun with Cabbage
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In this chemistry activity, learners will test the pH of various foods and household substances using cabbage.
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Powder Particulars
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In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.
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Making Naked Eggs: Eggs Without Shells
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This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.
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Egg-stra Strength
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In this physics activity, learners will investigate the strength of egg shells.
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Candy Chemistry
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In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.
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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.