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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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    Science Museum of Minnesota
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    Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string. All you need is a balloon, clothespin, a straw, some tape...

    1 cent - $1 per student Ages 4 - 11 30 to 45 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities. For...

    $1 - $5 per group Ages 4 - 8 1 to 2 hours

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    • Oregon Museum of Science and Industry (remove)
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