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    WGBH
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    Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work. Learners collect data, formulate a...

    1 cent - $1 per group Ages 11 - adult 45 to 60 minutes
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    Make
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    In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months. Learners will collect water, amphipods,...

    Over $20 per student Ages 8 - 18 1 to 12 months
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    The Exploratorium
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    The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead. Natron is made up primarily of sodium carbonate (a very efficient, but...

    $5 - $10 per group Ages 8 - 18 1 to 4 weeks
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    Lawrence Hall of Science
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    In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats. The activity is written for use in an aquarium, but it can...

    $5 - $10 per group Ages 4 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to...

    1 cent - $1 per group Ages 4 - adult 10 to 30 minutes
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    Centers for Ocean Sciences Education Excellence
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    In this activity, learners model, on a human-sized board game, how changes in water temperature may affect fish distributions and, ultimately, fisheries. This lesson focuses on how climate change...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    National Health Museum
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    In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey. Learners design fish out of red paper and then attempt to locate their fish...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    Bridge: Online Ocean Science Education Resource Center
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    In this data analysis activity, learners use data collected by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to study Chilean sea bass populations. Learners...

    $1 - $5 per student Ages 14 - 18 1 to 2 hours
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    American Museum of Natural History
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    In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world. The video shows ichthyologists...

    free Ages 11 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones...

    $5 - $10 per group Ages 8 - 18

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