Spelling Practice Say it! wave spell it! wave
Spelling Practice Say it! crest spell it! crest
Spelling Practice Say it! trough spell it! trough
Spelling Practice Say it! wavelength spell it! wavelength
Spelling Practice Say it! frequency spell it! frequency
Spelling Practice Say it! longitudinal spell it! longitudinal
Spelling Practice Say it! transverse spell it! transverse
Spelling Practice Say it! amplitude spell it! amplitude
Spelling Practice Say it! compressions spell it! compressions
Spelling Practice Say it! rarefactions spell it! rarefactions