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    Oregon Museum of Science and Industry
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    In this activity, learners grow germs collected from their hands and other objects. They cultivate the germs on a growth medium (such as slices of grapefruit or processed cheese) for a week....

    1 cent - $1 per student Ages 6 - 14 1 to 7 days
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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
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    University of Wisconsin-Madison
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    In this construction activity, students use a 2-liter bottle to build a fly trap. There is not much supporting information besides the directions, but the trap can be used to examine fly behavior,...

    $1 - $5 per student Ages 4 - 14 1 to 7 days
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    Mount Holyoke College
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    In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch. Learners test cream of tartar, baking soda, lemon...

    $10 - $20 per student Ages 4 - 8 10 to 30 minutes