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    University of Wisconsin-Madison
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    In this investigation, learners plant seeds in a 2-liter bottle filled with soil that is connected to a water source below. Over the next few weeks, learners observe how the plants grow. The...

    $1 - $5 per student Ages 4 - 14 1 to 4 weeks
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    University of Wisconsin-Madison
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    Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle. The fermentation process takes from 3 days to 2 weeks to complete, and learners measure the...

    $1 - $5 per group Ages 4 - 14 1 to 4 weeks
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    American Society for Microbiology
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    A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution. After trading papers amongst the group, learners test...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    APSnet
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    In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look. They...

    $1 - $5 per group Ages 11 - 18 1 to 7 days
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    NOAA
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    In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities. Learners demonstrate wave motion in...

    $1 - $5 per group Ages 11 - 14 1 to 4 weeks
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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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    • Oregon Museum of Science and Industry (remove)
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