character: Ms. Sarah Thompson
topic: Introduction to Sound Waves and Their Properties
grade: 9
subject: Physics
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character: Mr. James Carter
topic: Exploring Wave Motion in Physics
grade: 9
subject: Physics
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character: Dr. Emily Roberts
topic: Understanding Frequency and Amplitude of Waves
grade: 9
subject: Physics
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character: Ms. Angela Lee
topic: Applications of Sound Waves in Technology
grade: 9
subject: Physics
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