character: Ms. Taylor
topic: Understanding Sound Waves: Frequency and Velocity
grade: 9
subject: Physics
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character: Mr. Johnson
topic: Exploring Wave Properties: Amplitude and Wavelength
grade: 9
subject: Physics
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character: Dr. Smith
topic: The Science of Sound: How Waves Travel Through Different Mediums
grade: 9
subject: Physics
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character: Ms. Lee
topic: Applications of Sound Waves in Technology: Sonar and Ultrasound
grade: 9
subject: Physics
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