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

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.