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

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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This is a series of quick activities/demos and pre-assessment tools that evaluate learners' current understanding of microbes and introduce them to basic information about microbes.

Over $20 per group Ages 8 - 14 45 to 60 minutes