Learners are introduced to sound energy concepts and how engineers use sound energy. Through hands-on activities and demonstrations, students examine how we know sound exists by listening to and seeing sound waves. They learn to describe sound in terms of its pitch, volume and frequency. They explore how sound waves move through liquids, solids and gases. They also identify the different pitches and frequencies, and create high- and low-pitch sound waves.

Concepts

engineering, sound energy, sound waves, ultrasound, vibration, stem

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Additional Tags

infrasonic sound, pitch, doppler effect, integrated teaching and learning program and laboratory, teachengineering, longitudinal wave, transverse wave

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)