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In this physics activity, learners conduct two experiments to explore free-falling.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.