Elephant Toothpaste and Scientific Questions
Ashley, Brian, Carli, Jake, and Lisa
As a means of assessing prior knowledge of the ability to develop testable scientific questions, our group utilized a discrepant event to prompt students to pose questions based on their observations. After presenting “Elephant Toothpaste” (a demonstration which involved mixing 50mL of 30% hydrogen peroxide, a squirt of liquid dish soap, three drops of food coloring, and a teaspoon of potassium iodide), students were asked to record any and all questions they could think of regarding what they had just seen. We then looked for common themes and examined those […]

By |July 22nd, 2009|Uncategorized|0 Comments

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