character: Professor Wang
topic: Applications of the Electromagnetic Spectrum
grade: 9
subject: Chemistry
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character: Dr. Emily Carson
topic: The Role of Light in Photosynthesis
grade: 9
subject: Chemistry
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character: Mr. John Smith
topic: How Microwaves Work in Cooking
grade: 9
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Infrared Radiation and Its Uses in Everyday Life
grade: 9
subject: Chemistry
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