Lesson Plan


Lichens and mosses in a pothole.

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Grade Level:
Fifth Grade-Eighth Grade
Biology: Animals, Biology: Plants, Ecology, Environment, Health, Medicine, Nutrition
National/State Standards:
Utah Core Curriculum
Sixth Grade Science
Standard Five
biology, Biology Animals, Biology Plants, ecology, environment, health, medicine, nutrition


This guide contains background information about how microorganisms can be both good and bad, and directions for three activities that will help students better understand how microorganisms can be helpful and harmful.


Download the lesson plan at the top of the page for the activity guide.

Click on the PDFs below for the activity materials that accompany each activity described in the activity guide.