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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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    California Academy of Sciences
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    In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining. Learners also...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    PBS
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    In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth. First, learners watch a NewsHour video segment...

    $5 - $10 per group Ages 14 - 18 1 to 2 hours
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    Twin Cities Public Television
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    In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection. First, learners will observe the behavior of a small animal...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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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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    American Chemical Society
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    In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility....

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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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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    Twin Cities Public Television
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    In this activity (page 1 of the PDF under SciGirls Activity: Rabbits), learners will visit a zoo, aquarium, or pet store to view a variety of fish. Learners sketch the different body types as well...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats. Learners take various samples from the pond, identify organisms using a pond...

    $10 - $20 per group Ages 6 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this quick activity (page 1 of the PDF under SciGirls Activity: California Fish), learners will build a simple Cartesian Diver in an empty 2-liter bottle. Use this activity to demonstrate the...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes

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