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    Aquarium of the Bay
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    In this activity (page 2 of pdf), learners craft a model of a skate egg case and come to understand that cartilaginous fish such as sharks and shakes employ reproductive strategies that differ from...

    1 cent - $1 per student Ages 6 - 11 1 to 7 days
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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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    Children's Museum of Indianapolis
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    In this activity, learners explore dinosaur fossils by making cast models of a T. rex. First, learners read about and research how dinosaur fossils form. Next, learners make impressions in clay...

    Over $20 per group Ages 6 - 8 4 to 24 hours
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    Lunar and Planetary Institute
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    In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    New York Hall of Science
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    In this activity, learners create a biosphere in a baggie. Learners add soil, seeds and a little water in a ziplock bag, tape the bag to a sunny window and observe a microcosm of the water cycle ...

    $1 - $5 per student Ages 4 - 11 1 to 7 days

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