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    Twin Cities Public Television
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    In this technology activity, learners light up the room with electrifying play dough creations. Learners use conductive and insulating homemade play dough to build simple circuits. Learners then...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    This is an activity (located on page 3 of the PDF) about diffusion of small molecules across cell membranes. Learners will use gelatin to represent a cell and dye to represent molecules to model...

    $10 - $20 per group Ages 8 - 14 1 to 7 days

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