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    Oregon Museum of Science and Industry
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    Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon. This reaction shows the...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    University of Wisconsin-Madison
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    Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle. The fermentation process takes from 3 days to 2 weeks to complete, and learners measure the...

    $1 - $5 per group Ages 4 - 14 1 to 4 weeks
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    BioEd
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    In this activity, learners use sets of cards to assign microorganisms to different groups. They will learn that microbes can be members of several different major groups: bacteria, fungi, protists...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    American Society for Microbiology
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    Learners observe a demonstration of the metabolism of yeast--after being placed in a sealed bag with water and sugar, the yeast consumes the sugar and produces carbon dioxide gas to inflate the bag...

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes
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    National Health Museum
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    In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology. In the...

    Over $20 per group Ages 14 - 18 4 to 24 hours