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    New Jersey Department of Education
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    An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean. To understand this mixing of fresh and salt water, learners go through...

    $10 - $20 per group Ages 8 - 18 1 to 4 weeks
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    Pratt School of Engineering, Duke University
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    Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes. They place carrots in plastic bags filled with soil (with or...

    $10 - $20 per group Ages 11 - 14 1 to 4 weeks
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    COSI
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    In this health activity (located on page 4 of the PDF), learners will discover the importance of hand washing by observing mold growing on potatoes. Comparing mold growth on the potatoes will give...

    $10 - $20 per group Ages 6 - 11 1 to 4 weeks
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    National Health Museum
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    In this activity, learners are challenged to design and construct a jointed figure that moves in a motion (something like jumping jacks) when a string is pulled. Use this project as a culminating...

    $10 - $20 per group Ages 14 - 18 1 to 4 weeks
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    Educational Development Center, Inc.
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    In this indepth hands-on activity, learners build a structure that allows them to observe the growth of roots and the correlation between root growth and stem extension. Because no dirt is used in...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    NEON, Inc.
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    In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth. The activity helps learners understand the relationship between CO2, plants,...

    $10 - $20 per group Ages 14 - 18 1 to 4 weeks
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    Chicago Children's Museum
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    In this activity, learners create a garden in a disposable glove. They learn about the conditions necessary to make the seeds sprout and actively participate in caring for their plants. Learners...

    $10 - $20 per group Ages 6 - 11 1 to 4 weeks