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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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    American Association for the Advancement of Science
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    In this online activity, learners partner up to complete several physical exercises and assess their starting fitness level. Over the course of 6 weeks, learners practice the activities and record...

    1 cent - $1 per student Ages 8 - 11 1 to 12 months
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    COSI
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    In this activity (page 19 of the PDF) learners will create a soda bottle bioreactor by exploring the science of composting, comparing variables such as reactor design, moisture content, and...

    $10 - $20 per student Ages 8 - 14 1 to 12 months
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    NOAA
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    In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later. This process will help learners investigate Earth's rotation and...

    free Ages 6 - 14 1 to 12 months
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    Monarch Watch
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    As a long-term project, you can rear monarch butterflies at home or in a classroom. This article contains practical tips on successfully rearing monarchs, and ways in which you can increase your...

    $5 - $10 per group Ages 6 - adult 1 to 12 months
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    University of Wisconsin-Madison
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    In this activity, learners turn empty 2-liter bottles into a see-through compost container. Through the sides of the bottle, learners make weekly observations of decomposition over the course of...

    $1 - $5 per student Ages 4 - 14 1 to 12 months
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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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    NOAA
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    In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation. Learners...

    $1 - $5 per group Ages 8 - 14 1 to 12 months
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    Lawrence Hall of Science
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    In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks...

    Over $20 per group Ages 6 - 14 1 to 12 months
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    Lawrence Hall of Science
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    Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization. In this outdoor activity, learners create a controlled experiment to study the effects...

    $5 - $10 per group Ages 8 - 18 1 to 12 months

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