Light and Waves Crossword

The distance between two crests on a wave
The amount of wavelengths in a period of time
The unit of measurement for waves
The colour of the 700 nanometer waves humans can see
The property associated with brightness
The classification system of waves and light
The lowest part of a wave
The part of the eye light enters
The part of the eye that views an upside down image
Most dangerous waves of the EM spectrum
The waves on the EM spectrum with the lowest frequency
The colour observes at 490 nanometers
The colour observed at 600 nanometers
A wave is essentially a ____
amplitude can also describe the __________ of a wave
Part of the eye that focuses light on the retina
the nerve that sends the image to the brain in electrical signals
coloured part of the eye
Part of the eye that controls light levels