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

In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.