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In this activity, learners explore the relative sizes and distances of objects in the solar system.

Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.

Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration.