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Decomposition Column
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In this activity, learners turn empty 2-liter bottles into a see-through compost container.

Observing Different Microbes
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In this activity, learners use a microscope to examine three different microbes: bacteria, yeast and paramecia. Educator will need to prepare the yeast solution one day before the activity.

The Variety and Roles of Microbes
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In this activity, learners use sets of cards to assign microorganisms to different groups.