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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.

How Fast Can a Carrot Rot?
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Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes.

Home Mycology Lab
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Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood.

Comparing Sizes of Microorganisms
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete