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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

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

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.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.