character: Ms. Johnson
topic: Applications of the Electromagnetic Spectrum in Modern Technology
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Mr. Smith
topic: How Radio Waves are Used in Communication
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Dr. Lee
topic: Infrared Technology in Everyday Life
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Ms. Taylor
topic: Visible Light and its Uses in Modern Devices
grade: 9
subject: Physics
LearnActions
SearchCreate