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Exploring Baking Powder
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In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

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.

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.

Chemistry in the Kitchen
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In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in the

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.

Animal Scent
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This activity (on page 3 of the PDF under GPS: Animal Scent Activity) is a full inquiry investigation into animal behavior.

Mixing and Unmixing in the Kitchen
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In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

Potato Power
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Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.

Atoms and Matter (K-2)
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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

Fizzy Fun
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In this activity, learners test what happens when they put baking power on different frozen liquids.

Invisible Ink
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In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a

Chemical Identification
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In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.

Using Chemical Change to Identify an Unknown
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In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i

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.

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.

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.

Sticky Situation
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In this activity, learners separate the protein from milk and and use it to make their own glue.