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In this collection of demonstrations, learners explore Newton's Laws of Motion.

In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.

Most people will break a bone in their body at some point in their life, but how much force does it take to break one?

In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.