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In this activity, learners will create their own percussion instrument with recycled materials. Learners will explore design, fabrication, cause and effect and sound through this activity.

In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

In this activity, learners build their own sound machines and explore the interplay of motion and sound.

In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes.