This printable word search puzzle contains 21 hidden words in a 17x17 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.
transverse
wavelength
amplitude
frequency
indigo
orange
violet
yellow
bones
gamma
green
infra
light
micro
radio
speed
ultra
white
X-ray
blue
red