Visible Light Crossword

This printable crossword puzzle on the topic of Physics has 12 clues. Answers range from 4 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Light changes direction when it passes through another medium
The coloured part of the eye
Does not let light shine through
Part of the eye that has many specialised receptor cells
Shines because it gives off light
Name for the ray coming from a light source towards a smooth reflecting surface
Describes something that light can pass through
The range of frequencies and wavelengths of energy coming from the sun
A black hole in the iris of the eye through which light enters
Formed by an opaque object on the side facing away dorm the light source
How often something happens
Another word for scattered when light is refracted form rough surfaces or when light shines through a triangular prism