character: Dr. Lee
topic: The Electromagnetic Spectrum and its Applications
grade: 9
subject: Chemistry
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character: Ms. Kim
topic: Understanding Light and its Properties
grade: 9
subject: Chemistry
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character: Mr. Thompson
topic: Waves and Their Role in Communication
grade: 9
subject: Chemistry
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character: Dr. Patel
topic: The Science Behind X-rays and Their Use in Medicine
grade: 9
subject: Chemistry
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