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Below are activities and materials for all grade levels. They are free to use, but they are copyrighted and may not be altered. They may be printed, copied and used by teachers and students in the classroom. All other use is strictly prohibited.



Classroom activities for grades 3 - 6.

Activity Description
Fungus I Carbon dioxide production by yeast.
Fungus II The growth of fungi on plates.
Skin Disinfectant Lab The effectiveness of disinfectants on skin.
Yeast Model The transmission of disease by microorganisms.

Classroom activities for grades 6-8.

Activity Description
Swell Lab Carbon dioxide production by yeast.
Spice Up Your Life Antimicrobial activity of spices.
What is Biodegradable? The decomposition of organic and inorganic materials.
Veggie Soup Soft rot in vegetables caused by Erwinia carotovora.
Aaaaah...Cchhooo! Transmission of disease.
Disinfectants Consumer Report on Common Household Disinfectants.
Stain A simple stain for bacteria.
Something's Fishy The nitrogen cycle in a fish tank.

Classroom activities for grades 9-12.

Activity Description
Coming Clean with Enzymes* Enzyme action in bacteria.
How Long Will I Be Blue* Fermentation of sugar by yeast.
Rumbly in my Tummy* Lactose intolerance including recipe for making yogurt.
It's a Gas* Fermentation of sugar by yeast.
Something's Glowing Bacterial fluorescence.
Disinfectants Consumer Report on Common Household Disinfectants.
Slick Oil* Oil degradation by bacteria.
They're Everywhere* Food microbiology and methods of food preservation.
Something's Rotten in the Vegetable Bin* A model for disease transmission using vegetables.
Bugs that make Drugs that Kill Bugs Antibotic production by microbes.
Cultivating Yogurt The microbiology of yogurt.
Bacteria in Milk Milk microbiology.
Water Quality Water quality lab.
Root Nodulation Microbes Fertilize Plants
Bacillus Isolate a strain of the bacterium Bacillus from soil.
Is Bleach a Good Disinfectant lab? Determine the concentration of bleach that kills E. coli.
Micropipettor Quantitative analysis of micropipettor skills.

*More information on kits for these activities