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    National Aeronautics and Space Administration
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    In this activity, learners investigate how wind can create surface currents and how waves move. Learners also discover how wind can affect oil spills.

    1 cent - $1 per group Ages 8 - 11 45 to 60 minutes
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    National Aeronautics and Space Administration
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    In this activity, learners use raisins and seltzer water to understand why waves don’t move objects forward. Learners conduct two simple experiments to understand the circular movement of waves.

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes

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