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Slimy Cells
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In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

Our Sense of Hearing
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In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

Energy Sources
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In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

Our Sense of Touch: Two-Point Discrimination
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In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.