This printable crossword puzzle has 10 clues. Answers range from 4 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a movement of energy in a continual up-and-down pattern
the highest point of a wave
the distance between one crest of a wave and the next crest
light outside the vissable point
grows smaller (close up)
take in
light outside of the visable spectrum on the red side
a small piece or amount of something
light bouncing off a rough uneven, bumpy surface
light bouncing off a flat, smooth, shinny surface