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    NOAA
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    In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition. Learners use candy to represent elements involved in the chemical...

    $5 - $10 per group Ages 14 - 18 1 to 2 hours
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    Oregon Museum of Science and Industry
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    This activity is on page 10 (continued on the right side of page 11) of the pdf, part of the Forest Animals Discovery Box. In this game, learners act out the food web. They are introduced to the...

    free Ages 4 - 6 10 to 30 minutes
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    Centers for Ocean Sciences Education Excellence
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    This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid. This game shows how factors affecting lower...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    BioEd
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    In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms. Learners will also discuss and classify...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    COSI
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    In this life science activity (page 8 of the PDF), learners explore the carbon cycle by mixing yeast, sugar and water. Learners observe how different quantities of the mixture produce more or less...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    COSI
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    In this activity (page 5 of the PDF), learners will create a food web and explore food sources for different organisms. They will identify relationships between organisms in an ecosystem. Though...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    Minnesota Zoo
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    In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest. After collecting the data, the learners plot the...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    National Health Museum
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    This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans. By manipulating environmental...

    Over $20 per group Ages 14 - 18 1 to 12 months
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    National Health Museum
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    This activity helps the learner answer the question: "What environmental problems arise due to animal and human overpopulation and what might need to be done to combat these problems?"...

    $1 - $5 per group Ages 14 - 18 1 to 7 days
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    National Health Museum
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    In this activity, learners are divided into teams. Half the team works as "collectors" and the other half works as "curators." Collectors go outside and search for various...

    $10 - $20 per group Ages 14 - 18 2 to 4 hours

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