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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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    Museum of Science and Industry, Chicago
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    See what happens when plants compete for survival in an area with limited resources. What survives? How is plant quality affected? Any plant that can get more water, nutrients, and sunlight than...

    $1 - $5 per group Ages 6 - 18 1 to 4 weeks
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    Museum of Science and Industry, Chicago
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    Learners assemble a figure from a nylon stocking or sock stuffed with soil and seeds. The ends of the nylons inside the jar absorb water, which feeds the grass seeds. The seeds grow to become...

    $1 - $5 per student Ages 4 - 11 1 to 4 weeks
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    American Chemical Society
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    In this activity on page 7 of the PDF, learners examine the effects that light and air have on green plants. Learners plant seeds in two containers and compare what happens when the containers are...

    $1 - $5 per student Ages 6 - 11 1 to 4 weeks
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    Community Science Workshop Network
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    In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered. Learners will enjoy watching their...

    $1 - $5 per student Ages 6 - 11 1 to 4 weeks
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    Museum of Science and Industry, Chicago
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    Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger. A few days after planting, learners will see the seeds begin to sprout...

    $1 - $5 per student Ages 6 - 14 1 to 4 weeks