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In this activity, learners explore center of gravity, or balance point, of stacked blocks.

In this activity, learners will explore their center of gravity.

In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

In this engineering activity, learners test the stability of towers they build out of cups, discovering that structures with more mass in the base are more stable.

In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.