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

In this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects.

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 quick and easy activity, learners build an air cannon "drum" and see what happens when they "shoot" puffs of air at different targets.

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).