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    Oregon Museum of Science and Industry
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    This is written as a display, but can easily be adapted to a hands-on activity. Learners discover how all the parts of a diaper work together to keep babies dry and comfortable. They can find...

    $1 - $5 per group Ages 6 - 14 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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    University of Washington
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    In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls....

    $1 - $5 per group Ages 4 - 14 5 to 10 minutes
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    Bill Nye
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    In this activity, learners discover how sweating makes us feel cooler. Learners put on one damp sock and one dry sock and sit in front of a fan. As the water in the damp sock evaporates, it makes...

    free Ages 4 - 14 5 to 10 minutes
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    Sciencenter
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    In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain. With this understanding, they try to find a combination of chemicals that could be used to...

    $10 - $20 per group Ages 4 - 14 10 to 30 minutes
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    Bill Nye
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    In this activity, learners discover that it is difficult to trace a curve by using its reflection in a mirror. Use this activity to discuss how the brain works.

    1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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    NOAA
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    In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater. This...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals. Humans need vitamins and minerals--including some...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes
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    The Science House
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    In this chemistry activity, learners use spaghetti to explore density and chemical reactions. Learners will discover how a solution of baking soda and vinegar can make spaghetti float and even ...

    $1 - $5 per group Ages 6 - 18 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners observe a tank of water containing cans of diet and regular sodas. The diet sodas float and the regular sodas sink. All the cans contain the same amount of liquid and the same amount of...

    $5 - $10 per group Ages 6 - 14 5 to 10 minutes

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