character: Dr. Emily Zhao
topic: The Relationship Between Frequency and Wavelength in Sound
grade: 9
subject: Physics
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character: Dr. John Smith
topic: Sound Waves: Understanding Frequency and Wavelength
grade: 9
subject: Physics
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character: Ms. Sarah Lee
topic: Exploring Sound Properties: Frequency vs. Wavelength
grade: 9
subject: Physics
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character: Mr. Alex Kim
topic: The Physics of Sound: How Frequency Affects Wavelength
grade: 9
subject: Physics
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