This printable word search puzzle contains 19 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.
internal reflection
Index Of Refraction
critical angle
convex mirror
virtual image
plane mirror
concave lens
focal point
ray diagram
convex lens
real image
telescope
retina
cornea
pupil
cones
rods
iris
lens