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    The Exploratorium
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    In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise...

    $1 - $5 per group Ages 4 - 18 5 to 10 minutes
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    Sciencenter
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    Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up). They are given water, salad oil, alcohol, and vinegar as liquids, salt and sugar as...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    PBS
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    In this "Sid the Science Kid" activity from Episode 109: The Perfect Pancake, learners make applesauce to explore irreversible change. Learners compare and contrast apples that have been...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    Colorado State University
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    In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water. Do they sink or...

    1 cent - $1 per group Ages 4 - 14 Under 5 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. <b>[Activity is publicly...

    $1 - $5 per student Ages 4 - 11 10 to 30 minutes
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    Discovery Museum
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    In this activity, learners of all ages can enjoy experimenting with ice. Try this experiment at the kitchen table or in the great outdoors to encourage budding scientists to experiment with ice....

    $1 - $5 per group Ages 4 - adult 30 to 45 minutes
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    Carnegie Science Center
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    In this activity, learners will explore the foods that are in their kitchen and what sugars are inside of them. Explore nutrition and food labels to better understand the foods you eat. This...

    $5 - $10 per group Ages 4 - 14 5 to 10 minutes
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    NASA
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    In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings. Learners use red and yellow sprinkles to form the granular...

    $10 - $20 per group Ages 4 - 18 5 to 10 minutes
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    NASA
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    In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid. During the...

    1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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    Carnegie Science Center
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    In this activity, learners will turn healthy greens into crispy snacks. Explore concepts of nutrition, dehydration and cooking to create healthy food. This activity uses low cost materials and be...

    $10 - $20 per group Ages 4 - 11 10 to 30 minutes

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