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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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    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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    • Oregon Museum of Science and Industry (remove)
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