character: Mr. Tom Harris
topic: Frequency and Pitch in Music
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Mr. John Smith
topic: Wave Properties and Sound
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Ms. Emily Davis
topic: Sound Waves and Their Applications
grade: 9
subject: Physics
LearnActions
SearchCreate
character: Dr. Sarah Johnson
topic: The Physics of Musical Instruments
grade: 9
subject: Physics
LearnActions
SearchCreate