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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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    University of Washington
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    In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste. Learners dry their tongues with clean paper towels and then taste samples of salt,...

    $1 - $5 per group Ages 8 - 18 5 to 10 minutes
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    University of Washington
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    In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods. Learners dip toothpicks in various solutions of...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon. This reaction shows the...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    Institute of Physics
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    In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle. The marshmallows will...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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    Science Museum of Minnesota
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    DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique. This activity allows you to see long, stringy strands of DNA extracted from wheat germ....

    $1 - $5 per group Ages 8 - adult 10 to 30 minutes
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    The Exploratorium
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    In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Museum of Science and Industry, Chicago
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    Learners set up three different bowls, each with a different mass of oatmeal. Learners monitor the temperature of the oatmeal and find that larger masses take longer to cool. Use this activity to...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers. Note: this activity requires adult...

    $1 - $5 per student Ages 6 - 18 30 to 45 minutes
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    University of Washington
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    In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume. This resource contains three different perfume recipes and a link to...

    $1 - $5 per group Ages 8 - 18 4 to 24 hours

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