Will It Float?


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Student preconceptions are one of the greatest challenges we face as science teachers. This Predict, Explain, Observe, and Explain (PEOE) activity challenges students? preconceived notions about why matter floats or sinks when placed in a liquid. The idea behind this model is to do a demonstration that first confirms student's conceptions followed by a second, similar demonstration that provides discrepant information creating cognitive dissonance. Learning happens as students are forced to modify their conceptions so that their view of how things work is not in conflict with what they are seeing. Less

Learning Registry Activity


    Topics and Grades

    Grade: TK/K to 9

    Topics: Personal and Community Health, Properties of Matter, Current Science, Human Anatomy & Physiology

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    Tool for: Teachers