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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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    University of Washington
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    In this activity (7th activity on the page), learners use their sense of hearing to find a "sound match." Learners shake containers filled with items like dry seeds, sand, beans, etc. and...

    $1 - $5 per group Ages 4 - 14 5 to 10 minutes
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    Chicago Children's Museum
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    In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display. Learners arrange dry, uncooked pasta "bones" to resemble dinosaur fossils on a foam...

    $10 - $20 per group Ages 6 - 11 30 to 45 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more...

    $10 - $20 per group Ages 4 - 11 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk. Using food coloring and soap, they discover that milk is an emulsion, a special...

    $1 - $5 per group Ages 4 - 18 5 to 10 minutes
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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    The Exploratorium
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    In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet. A Cartesian diver is a classic science...

    free Ages 6 - adult 5 to 10 minutes
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    New York Hall of Science
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    Does yeast breathe? Find out by watching how plastic bags filled with yeast, warm water and different amounts of sugar change over time. Demonstrate the interaction of microorganisms and the carbon...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix. In chemistry, this mixture is...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    New York Hall of Science
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    Don't scream for ice cream -- make it with milk, sugar, flavoring and some 'salt-water' ice. Discover the chemistry of ice cream by creating your own.

    $1 - $5 per student Ages 4 - 11 10 to 30 minutes

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