crossword review

This printable crossword puzzle has 20 clues. Answers range from 3 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

light produced by making a piece of metal in a light bulb very hot
like incandescent, but the gas in the bulb is fluorine or chlorine
light generated by electrifying a gas and converting UV light to visible light
semiconductor that emits light
the three colors that can be mixed to create all other colors
the entire range of electromagnetic waves
white light refracts when enters
individual rain drops refract light
light produced by exciting the molecules of neon gas
beams of coherent light
reflection of light from smooth surface
making light that vibrates in only one plain
continuous signal translated into a wave of frequencies
signal translate into wave with only 2 possible amplitudes
wave consisting of changing electric fields
the extent to which light is blocked
light passes through
light cannot pass through
rays of light get scatterd
property of a material that indicates how much the speed of light is reduced