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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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    The Exploratorium
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    In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects. Construction uses everyday...

    Over $20 per group Ages 4 - adult 1 to 2 hours
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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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    Lawrence Hall of Science
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    In this set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt. In the first game, learners hunt for things like...

    $5 - $10 per group Ages 4 - 11 1 to 2 hours
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    Science Museum of Minnesota
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    In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other. The object of this game is to use your mouth and your...

    $1 - $5 per group Ages 6 - adult 10 to 30 minutes
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    Arizona Science Center
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    In this activity, learners explore cooked chicken wings and identify the various parts including: bones (radius, ulna, humerus, shoulder joint, elbow joint), tendons, and cartilage. Learners...

    $5 - $10 per group Ages 6 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners construct bird feeders and set them up at to investigate bird behavior for one or two weeks. Multiple feeder designs are suggested. Learners are encouraged to...

    $10 - $20 per group Ages 6 - 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