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In this activity, learners will test the strength of different brands of paper towels.

In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

In this activity, learners will explore how and why weight distribution works.

In this activity learners will build roller coasters and test them using small balls or marbles.

In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.