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    National Aeronautics and Space Administration
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    In this activity, learners investigate density as they discover how liquids separate to form density layers. Learners discover what happens when they add syrup, cooking oil, and water to a jar....

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    National Aeronautics and Space Administration
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    In this activity, learners compare water pressure at different depths. Learners discover that water pressure increases with depth. In an optional extension, learners can investigate how density...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    National Aeronautics and Space Administration
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    In this activity, learners discover what buoyancy is and determine the characteristics that make an object buoyant. Learners design, build, test, and evaluate boats made from a variety of materials...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    National Aeronautics and Space Administration
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    In this activity, learners create and understand surface currents. Learners create example surface currents and discover how landmasses affect the current.

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes

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