Powerpoint covering all the content for the Sound and Hearing topic taught in Year 8.
There are 29 slides covering the definition of sound and echoes, animation showing what is meant by longitudinal waves, description of how musical instruments produce sound, graphs to show change in pitch and change in volume, definition of the Decibel, the human hearing range, ultrasound and noise and methods of reducing noise.
Structured to be delivered easily within about 5 lessons, allowing time for some related experiments (e.g. tuning forks, signal generator to test hearing range).
There are 29 slides covering the definition of sound and echoes, animation showing what is meant by longitudinal waves, description of how musical instruments produce sound, graphs to show change in pitch and change in volume, definition of the Decibel, the human hearing range, ultrasound and noise and methods of reducing noise.
Structured to be delivered easily within about 5 lessons, allowing time for some related experiments (e.g. tuning forks, signal generator to test hearing range).
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