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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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    WGBH
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    In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid....

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    NISE Network
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    In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream. This is a fun (and tasty!) way for...

    $5 - $10 per group Ages 4 - adult 10 to 30 minutes
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    WGBH
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    In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream. Testing various types of strawberry products, learners...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    Colorado State University
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    In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes. The liquid nitrogen also causes the fat and water particles to stay...

    $10 - $20 per group Ages 6 - 14 Under 5 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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    Make
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    In this chemistry meets cooking activity, learners make carbonated, vanilla ice cream using dry ice and denatured ethanol, which are both inexpensive and accessible. This process to make ice cream...

    Over $20 per group Ages 8 - adult 45 to 60 minutes
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    Baylor College of Medicine
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    In this activity about food safety and nutrition, learners investigate safe food preparation by making fruit ice cream. This lesson guide includes background information, variations and bilingual ...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    NASA
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    In this activity, learners build models of comets, using edible materials, to learn about comets' structure. Learners then use their senses to simulate a spectrometer to analyze "comets...

    Over $20 per group Ages 6 - 18 45 to 60 minutes