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    Pratt School of Engineering, Duke University
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    Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny. They then generate their own hypotheses to explain the results and design...

    $1 - $5 per group Ages 11 - 14 10 to 30 minutes
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    NISE Network
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    In this activity, learners explore how nanosized structures can create brilliant color. Learners examine Blue Morpho butterflies in the light and discover what happens when they put a drop of...

    Over $20 per group Ages 6 - adult 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 4 of the PDF, learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water. Learners compare how...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    New York Hall of Science
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    This activity is about collecting and analyzing DNA as part of a criminal investigation. Learners collect their own cheek cells, burst the cell membranes with detergent, and then precipitate DNA...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    NISE Network
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    In this activity, learners explore deoxyribonucleic acid (DNA), a nanoscale structure that occurs in nature. Learners extract a sample of DNA from split peas and put the sample in an Eppendorf tube...

    Over $20 per group Ages 6 - adult 10 to 30 minutes