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    Twin Cities Public Television
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    In this quick and easy activity, learners build an air cannon "drum" and see what happens when they "shoot" puffs of air at different targets. The activity allows learners to...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity, learners construct a small "air cannon," and use its airflow to put out a candle (lit with the help of an adult). The "air cannon" is an empty salt carton with...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Omaha's Henry Doorly Zoo
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    In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians. The field study allows learners to go into the...

    Over $20 per group Ages 8 - adult 2 to 4 hours
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    NEON, Inc.
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    In this activity, learners create colorful bead bracelets to wear outside while searching for matching colors in plants. Learners will be surprised by the variety of colors in nature. This activity...

    $5 - $10 per group Ages 4 - 8 45 to 60 minutes
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    NEON, Inc.
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    In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth. The activity helps learners understand the relationship between CO2, plants,...

    $10 - $20 per group Ages 14 - 18 1 to 4 weeks
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    National Optical Astronomy Observatory
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    In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database. This popular program has generated 100,000...

    free Ages 4 - adult 10 to 30 minutes

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