character: Mr. Lee
topic: The Science of Sound and Music
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Ms. Johnson
topic: Wave Properties and Sound
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Dr. Smith
topic: Frequency and Pitch in Music
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Mr. Brown
topic: Vibration and Sound Production
grade: 9
subject: Physics
LearnActions
SearchCreate