Students will launch the sound engineering challenge by analyzing stakeholder needs from the elementary audience, revisiting the math and physics they will need, and drafting early evidence-based design directions for either a tuned instrument or an interactive wave demonstration.

Students will investigate stakeholder needs, analyze exemplar sound devices and demonstrations, translate wave math into measurable specifications, and produce a design brief with a testable measurement plan for an instrument or interactive sound demonstration.

Students will compare multiple sound-product concepts against weighted criteria, justify one prototype direction with evidence, build a rapid prototype, and complete an initial test-and-revision cycle using frequency, wavelength, and wave speed calculations to prepare for full testing in the next phase.

Students will test their instrument or wave demonstration against design criteria, analyze measured sound data with the wave equation and unit conversions, revise based on evidence and peer critique, and prepare an exhibition-ready prototype, poster, and presentation for elementary visitors and families.

Students will present their finished sound product to an authentic audience, defend how their design meets wave and math criteria using evidence, gather audience feedback from the elementary-school exhibition, and complete a final performance-based assessment through the public showcase.