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    The Exploratorium
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    In this activity, learners explore how different deodorants work. Learners treat agar plates with different types of deodorants and compare the bacteria growth on the plates to the control sample.

    $10 - $20 per student Ages 11 - 18 1 to 7 days
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    APSnet
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    In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look. They...

    $1 - $5 per group Ages 11 - 18 1 to 7 days
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    University of Nebraska State Museum
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    In this activity (on pages 24-34), learners explore the four-part stomach of cows (and other grazing animals called ruminants), and compare it to the human one-part stomach and its digestive...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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    Bryn Mawr College
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    In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds. Suggested questions to investigate include: (1) Does mold grow faster...

    $5 - $10 per group Ages 11 - 18 1 to 7 days
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    University of Nebraska State Museum
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    In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth. Learners first make cassava gel, then paint...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    TERC
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    In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds). They come to understand the natural conditions which promote plant, animal and human...

    $1 - $5 per group Ages 11 - adult 1 to 7 days
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    National Health Museum
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    The purpose of this lab is to recognize that the answers to some of society's industrial challenges may lie right in our own backyards. Learners discover how to select protein-digesting...

    $10 - $20 per group Ages 14 - 18 1 to 7 days