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 spectrum
electromagnetic wave
ultraviolet rays
visible light
infrared rays
spectroscope
illumonated
radio waves
thermogram
gamma rays
mircowaves
radiation
luminous
medium
energy
trough
x-rays
waves
crest
radar