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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.26 of PDF), learners discover why mushrooms have spots. Learners use a balloon, toilet paper, and water to simulate what happens as mushrooms grow. This activity can also...

    1 cent - $1 per group Ages 11 - 14 10 to 30 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.5-6 of PDF), learners investigate natural selection. Learners discover that natural selection, which takes place over decades, can lead to altered populations within a species....

    $5 - $10 per group Ages 8 - 11 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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