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Learners explore the concepts of equilibrium and center of mass by seeing how non-symmetrical objects balance.

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.

In this physics activity (page 6 of the PDF), learners will build a class 1 lever and hypothesize and test the distances two objects need to be placed from the fulcrum in order to balance.

A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.

In this activity, learners balance chemical equations and discover the law of conservation of mass. Learners use coins to model molecules to balance the equations.