Complete a unit of lessons on hearing and sound. Learners conduct sound experiments, research the history of the telephone and scientific contributions of Alexander Graham Bell, and create a model of the human ear.
3rd Science 65 Views 109 Downloads
TE Activity: Pitch and Frequency
Learners experiment with a vibrating ruler and a kazoo to study the different pitches and frequencies they produce. They create both high and low pitch sound waves. They examine how engineers use sound energy when designing electronic...
3rd - 5th Technology & Engineering