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In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.

In this activity (page 12), learners explore how molecules self-assemble and how molecules must fit together, like a lock and key, in order to identify each other and initiate a new function as a comb

In this activity, learners explore how molecules must fit together, like a lock and key, in order to identify each other and initiate a new function as a combined unit.

A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.