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    The Exploratorium
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    In this activity, learners use gelatin as a lens to investigate the properties of laser light. Learners can view total internal reflection of a beam of light and investigate angles of reflection...

    $5 - $10 per student Ages 8 - 18 5 to 10 minutes
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    Museum of Science and Industry, Chicago
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    Learners add salt to ice to chill it lower than its freezing point. This chilled ice can then be used to freeze milk and sugar into ice cream. Learners can experiment by adding different flavors...

    $5 - $10 per group Ages 8 - 18 5 to 10 minutes
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    New York Hall of Science
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    In this quick activity, learners break the tension that happens when water develops a "skin." Learners use water, pepper and some soap to discover the wonders of surface tension—the force...

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes
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    CSIRO
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    In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red. Learners will discover that the sky appears a different color...

    1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities. The molecules of a denser liquid, like chocolate syrup, are arranged more...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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    The Science House
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    In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid. Learners will compare how crushing sugar cubes, stirring and water temperature...

    1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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    WGBH
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    In this activity, learners mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes
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    WGBH
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    In this activity, learners mix up a bubbly brew and examine density. Learners explore how they can make different materials fall and rise in water using oil, water, and salt. Learners can...

    $1 - $5 per student Ages 6 - 11 5 to 10 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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