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    University of Washington
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    In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature. Learners measure their temperature using a standard oral thermometer every two...

    1 cent - $1 per student Ages 8 - 18 4 to 24 hours
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    University of Washington
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    In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume. This resource contains three different perfume recipes and a link to...

    $1 - $5 per group Ages 8 - 18 4 to 24 hours
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    University of Southern Mississippi
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    In this activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills)....

    $1 - $5 per group Ages 8 - 18 4 to 24 hours
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    The Exploratorium
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    In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas. Bubbles emanating from...

    $5 - $10 per student Ages 14 - 18 4 to 24 hours
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    BBC
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    In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust. Learners discover that pykrete has some...

    1 cent - $1 per student Ages 4 - adult 4 to 24 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In this activity, learners investigate passive solar building design with a focus solely on heating. They learn how insulation, window placement, thermal mass, surface colors, and site orientation...

    $5 - $10 per group Ages 14 - 18 4 to 24 hours
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    National Health Museum
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    In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents. Learners use the agar...

    $5 - $10 per student Ages 11 - 18 4 to 24 hours
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    National Health Museum
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    In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day. First, teams of learners go outdoors to collect five leaves from a mulberry or cottonwood...

    $1 - $5 per group Ages 14 - 18 4 to 24 hours
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    National Health Museum
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    In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology. In the...

    Over $20 per group Ages 14 - 18 4 to 24 hours
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    Museum of Science and Industry, Chicago
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    Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper. Learners can experiment mixing different colors of paper and adding items...

    $5 - $10 per group Ages 8 - 18 4 to 24 hours

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