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    Omaha's Henry Doorly Zoo
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    In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution. Learners soak one regular hard-boiled egg and one peeled...

    1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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    Omaha's Henry Doorly Zoo
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    In this activity, learners can play two card games related to endangered species, specifically North American amphibians. In version one, "Guess My Amphibian," a learner secretly selects...

    1 cent - $1 Ages 6 - 11 5 to 10 minutes

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    • Oregon Museum of Science and Industry (remove)
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