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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.24 of PDF), learners make paper with fungi. Learners discover that paper is basically a flat mat of fibers. Although handmade paper is traditionally made with vegetable fibers,...

    $10 - $20 per group Ages 11 - 14 1 to 7 days
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    University of Southern Mississippi
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    In this activity, learners use Teflon (PTFE) tape to write secret messages. Learners may be familiar with Teflon-coated pans, but they probably do not know that Teflon is also made into tape that...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity (page 2 of PDF), learners will prepare sheets of homemade recycled paper from several different source pulps. Once dry, each sample will be drawn on with a marker to test how far...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    NSBRI
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    In this activity about human anatomy (page 20 of PDF), learners investigate the structure of muscles by comparing yarn and cooked meat. Learners will record their observations in a data table and...

    $5 - $10 per group Ages 6 - 11 45 to 60 minutes