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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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    APSnet
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    This exercise is designed to teach young learners the different parts of a plant (root, stems, leaves, flowers, fruit, and seeds), the basic functions of each part, and to show that tiny...

    $5 - $10 per group Ages 4 - 11 30 to 45 minutes
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    University of Nebraska State Museum
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    In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models. Each learner creates a model of either a male or...

    1 cent - $1 per student Ages 8 - 14 1 to 2 hours
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    Mount Holyoke College
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    This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo. Learners also think about how pheromones could be used to...

    $1 - $5 per group Ages 4 - 8 10 to 30 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 26-33), learners play parasitologists, solving several "mysteries" about people who got sick from various parasites. In teams of four, each member solves one...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this version of tag, a large group of learners model how the body fights infection. Learners act as germs, as lymphocytes, and as the body's cells threatened by germs. After playing one...

    $1 - $5 per group Ages 8 - 11 30 to 45 minutes
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    University of Nebraska State Museum
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    This activity (on pages 19-25) is about fleas and ticks, which are common pet parasites. Learners first examine preserved tick and flea specimens under a magnifying lens and compare them for...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    University of Nebraska State Museum
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    In this "gross" activity (on pages 34-46), learners make a life-size model of a human digestive tract, and follow the life of a beef tapeworm as it makes its way through. In Part One,...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes