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    Community Science Workshop Network
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    In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    IEEE
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    This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics. Learners explore the hydrophobic effect and how similar properties...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water. This lab asks learners to record measurements and make calculations...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    Mount Holyoke College
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    In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together. Learners can photograph or film the fluid motion for...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap. Learners shake the bottles and observe the difference...

    $1 - $5 per group Ages 4 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs....

    $5 - $10 per student Ages 6 - 11 10 to 30 minutes
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    NISE Network
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    In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains. Learners investigate the hydrophobic properties of pants made from nano...

    Over $20 per group Ages 4 - adult 5 to 10 minutes
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    NISE Network
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    In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties. Learners investigate the hydrophobic properties of plants, nano...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    American Chemical Society
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    In this simple activity, learners use water and liquid dish detergent to see which one removes lipstick better from an index card. The detergent works better because it binds to both the water and...

    1 cent - $1 per student Ages 6 - 14 5 to 10 minutes

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