character: Dr. Smith
topic: Introduction to Light and Spectra
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Exploring the Electromagnetic Spectrum
grade: 9
subject: Chemistry
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character: Mr. Thompson
topic: The Nature of Light: Waves and Particles
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Understanding Spectroscopy and Its Applications
grade: 9
subject: Chemistry
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