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

This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

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

In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.

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.