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Handwashing experiment worksheet showing bread mold growth comparison over three weeks.

A worksheet titled "The Handwashing Experiment" with sections for predicting outcomes, observing bread mold growth over three weeks under control, clean, and dirty conditions, and answering questions about changes and conclusions.

A worksheet titled "The Handwashing Experiment" with sections for predicting outcomes, observing bread mold growth over three weeks under control, clean, and dirty conditions, and answering questions about changes and conclusions.

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