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This lab activity has learners create a pendulum with a one-second period.

The major goal of this math lesson is to have learners collect data from a variety of experiments, determine what models best fits their data, and explain why their models are best.

In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.

In this activity, learners explore how the pendulum has been a reliable way to keep time for centuries.

In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series of pendulums

In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.

In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine.