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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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    American Society for Microbiology
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    Learners simulate the process of natural selection using a variety of beans and a bowl with a hole cut into it. The variety of beans represents the variation in a population of microbes, and the...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    American Society for Microbiology
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    Learners perform serial dilutions of water with dye and of water mixed with soil. They take a sample from the most dilute solution of water and soil and spread it over an agar plate to incubate...

    $1 - $5 per student Ages 14 - 18 1 to 2 hours
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    American Society for Microbiology
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    Learners recreate the digestion process that takes place within their large intestines. They mash up bananas into mush, then place it in an Erlenmeyer flask covered with a balloon. Learners observe...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    American Society for Microbiology
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    A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution. After trading papers amongst the group, learners test...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    American Society for Microbiology
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    In this activity, learners prepare samples for microscopic observation from a termite hindgut, a lichen, and a legume root nodule. Learners use microscopes to examine mutually beneficial symbiotic...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    American Society for Microbiology
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    Learners extract DNA from a banana. The procedure requires only basic lab equipment (i.e. beaker, test tube) and chemicals (i.e. liquid soap, meat tenderizer, ethanol). This activity is most...

    1 cent - $1 per student Ages 4 - 14 45 to 60 minutes
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    American Society for Microbiology
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    Learners use a Microviewer to examine common objects at 60-100X magnification. After viewing these things, learners categorize them according to their properties. They create a game board to...

    Over $20 per group Ages 8 - 18 45 to 60 minutes

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