Harmful and Beneficial Bacteria

This link is for a PowerPoint on Harmful and Beneficial Microorganisms, an important concept in teaching students about micro-worlds. The PowerPoint provides several kid-friendly definitions, such as microorganism. It then discusses the difference between helpful and harmful microorganisms. Specifically, the article talks about bacteria and fungi. The PowerPoint contains information about microorganisms in your body, the air, water, medicine, and food. This site is very informational and provides many helpful facts and examples for teaching micro-worlds.

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