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

Using simple, inexpensive items, learners build and test submarine models.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this activity, learners explore how two cylinders that look the same may roll down a ramp at different rates.

Learners build a lever and use it to lift a load. With the load on one end of the ruler, learners add coins to the effort cup at the other end until the load is lifted.