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    Biotechnology and Biological Sciences Research Council
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    In this activity (page 5), learners investigate the evolution of wheat by washing different types of dough with water and comparing the results. The evolution of wheat from wild grasses...

    $10 - $20 per group Ages 8 - adult 1 to 2 hours
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    Sciencenter
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    In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen. Multiple fruits and vegetables, both raw and...

    $5 - $10 per group Ages 4 - 14 10 to 30 minutes
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    TERC
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    In this playful activity, learners explore the structure of the cell—the basic unit of every living organism—by creating a model of cell structures using soap bubbles, and by examining a slice of...

    $5 - $10 per group Ages 6 - 14 45 to 60 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 explore the process used to cast and mold molten metal, glass, and plastics. Using gelatin, the learner will work with a...

    $10 - $20 per group Ages 8 - 18 4 to 24 hours