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This activity (on pages 35-43) lets learners analyze a "herd of elk" to detect the spread of a bacterial disease called brucellosis.

In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.

Many common household cleaners are antimicrobials.

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.

In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

In this activity about food safety and nutrition, learners investigate safe food preparation by making fruit ice cream.

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

In this activity, learners make balloon models of disease-causing bacteria.

In this activity, learners use sets of cards to assign microorganisms to different groups.