character: Ms. Clark
topic: Introduction to Sound Waves and Amplitude
grade: 9
subject: Physics
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character: Mr. James
topic: Properties of Sound Waves
grade: 9
subject: Physics
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character: Mrs. Lane
topic: Understanding Frequency and Pitch
grade: 9
subject: Physics
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character: Dr. Smith
topic: Wave Behavior in Different Mediums
grade: 9
subject: Physics
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