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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

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.

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.