character: Dr. Echo Wave
topic: How Sound Waves Interact with Different Materials
grade: 11
subject: Physics
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character: Professor Sonic
topic: The Physics of Sound Reflection and Absorption
grade: 11
subject: Physics
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character: Ms. Resonance
topic: Understanding Wave Propagation Through Solids, Liquids, and Gases
grade: 11
subject: Physics
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character: Mr. Vibration
topic: The Role of Density and Elasticity in Sound Wave Behavior
grade: 11
subject: Physics
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