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    COSI
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    In this biology activity (page 8 of the PDF), learners will determine whether they are "tasters" or "non-tasters", test selected individuals from their families and peer group...

    $1 - $5 per student Ages 14 - 18 1 to 7 days
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    APSnet
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    The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice....

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    In this quick activity (page 2 of PDF), learners will play a game using their observation and listening skills, interpreting clues from each other to deduce their secret animal identity. Once they...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    COSI
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    In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection. By using a bowl of candy as a "population," students discover how...

    $5 - $10 per group Ages 11 - 18 10 to 30 minutes
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    My Science Box
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    In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island. The prey (beans) vary in their coloration such that some blend into the...

    $10 - $20 per group Ages 11 - 18 1 to 2 hours