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    Liberty Science Center
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    In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments. The instructions contain suggestions for ...

    Over $20 per group Ages 4 - adult 5 to 10 minutes
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    Lawrence Hall of Science
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    In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates. Learners...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    National Health Museum
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    In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips). The instructor (or a learner)...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    4-H
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    In this drawing/mapping activity, learners design plots of land while incorporating positive strategies for improving water quality. Then, learners together examine how their plans would affect a...

    $5 - $10 per group Ages 11 - 14 1 to 2 hours