; MEDIUM ; CREST ; MECHANICAL ; RESONANCE ; PERPENDICULAR ; PERIOD ; WAVE ; WAVELENGTH ; SOUND ; LIGHT The Nature of Waves: Classifications and Mediums
Refraction, Crest, Trough, Diffraction, Transverse, Amplitude, Frequency, Mechanical, Wavelength, Reflection, Longitudinal, Interference, Period, Electromagnetic, Medium ; MEDIUM ; CREST ; MECHANICAL ; RESONANCE