character: Ms. Lee
topic: The Physics of Sound: Frequency, Amplitude, and Speed
grade: 9
subject: Physics
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character: Mr. Johnson
topic: Understanding Sound Waves: Properties and Behaviors
grade: 9
subject: Physics
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character: Dr. Smith
topic: Exploring Wave Characteristics: Wavelength and Frequency
grade: 9
subject: Physics
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character: Ms. Taylor
topic: Applications of Sound: From Music to Medicine
grade: 9
subject: Physics
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