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    American Physical Society
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    In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass. The surface tension of the...

    free Ages 8 - 14 5 to 10 minutes
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    New Jersey Department of Education
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    Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back. In this activity, learners explore water adhesion (when...

    $5 - $10 per group Ages 8 - 18 30 to 45 minutes
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    New Jersey Department of Education
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    Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others. In an investigation titled "Fabric Frenzy," learners use a...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    WGBH
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    In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion. The online version of this activity is set...

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    WGBH
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    In this activity, challenge learners to float a paper clip in a cup of water. Learners discover that a paper clip will sink in a cup of water, except when it is placed on a piece of paper towel....

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    Science Friday
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    In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length...

    $5 - $10 per student Ages 11 - 14 1 to 7 days
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    WGBH
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    In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny. Learners conduct the test three times to find the average number of drops they can...

    free Ages 6 - 11 10 to 30 minutes