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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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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.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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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.

Over $20 per group Ages 8 - adult 2 to 4 hours
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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).

$1 - $5 per group Ages 8 - 14 10 to 30 minutes