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    The Science House
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    In this chemistry activity, learners use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Learners will record the temperature of the ice before and...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    KCET
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    This open-ended art project allows learners to create their own colorful ice sculpture by using rock salt and food coloring on a solid block of ice. The entire activity is like a mini-science...

    $1 - $5 per student Ages 4 - 8 10 to 30 minutes
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    Lawrence Hall of Science
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    In this earth science/math/art activity, learners use simple ingredients to grow crystals and examine the repeating geometric shapes and patterns. Learners compare the growth of crystals from four...

    $5 - $10 per group Ages 6 - 14 1 to 4 weeks
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    NOAA
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    In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream. Pairs of learners will combine ingredients in a plastic bag and then add...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
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    The Exploratorium
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    This activity shows you how to make amazing crystal spikes using Epsom salt and the sun. When Epsom salt is dissolved in water and placed in a container in the sun, the water evaporates, leaving...

    $1 - $5 per student Ages 6 - 11 1 to 2 hours
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    American Chemical Society
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    In this experiment, learners try different liquids to see which ones clean pennies best. Liquids to try include water, lemon juice, cola, vinegar, and dishwashing detergent. Suggested extensions...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners compare different types of salt crystals under a magnifying glass. Learners compare the size, shape, and color of table salt, Epsom salt, monosodium glutamate (MSG) and...

    $1 - $5 per student Ages 6 - 14 10 to 30 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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    COSI
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    In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own. They will grow and compare three types of crystals and explore how a crystal forms as...

    $1 - $5 per student Ages 6 - 14 1 to 7 days
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    New York Hall of Science
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    Make your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process. Note: The...

    $1 - $5 per student Ages 6 - 14 1 to 4 weeks

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