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    COSI
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    In this biology activity, learners recreate the process of digestion in a zip lock bag. A bit of soda pop added to some crumbled crackers approximates how acids in the stomach dissolve food. This...

    1 cent - $1 per student Ages 8 - 11 5 to 10 minutes
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    COSI
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    In this botany activity, learners will create an experiment about seed germination. This activity gives students an opportunity to explore how seeds germinate and react to surrounding conditions....

    $1 - $5 per student Ages 8 - 11 1 to 7 days
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    Science Museum of Minnesota
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    Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close....

    1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can have a tactile opportunity to construct a karyotype, an organized model of an organism’s chromosomes, conveying the...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease. Learners work in groups and use...

    $10 - $20 per group Ages 11 - 18 1 to 2 hours
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    University of Utah
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    In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest. The cards feature structures ranging from the carbon atom (340 pm)...

    1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye. Learners will be surprised to...

    free Ages 8 - 18 10 to 30 minutes
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can use it to investigate how, in a one-celled organism such as a bacterium, the division of cells increases the number of...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    National Health Museum
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    This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments. By modeling Mendel's pea experiments, learners will form their own...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    National Health Museum
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    In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins...

    $5 - $10 per group Ages 14 - 18 2 to 4 hours

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