This printable word search puzzle contains 20 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
electromagnetic wave
longitudinal wave
mechanical wave
transverse wave
rarefractions
seismic waves
compressions
interference
polarization
diffraction
refraction
wavelength
amplitude
frequency
vibration
medium
trough
vacuum
crest
wave