Light Energy Crossword

Light travels in straight lines called?
made from mixing all different colors?
You can see the colors when white light passes through a?
Longest wavelength that we can see?
Shortest Wavelength that we can see?
A light wave is also called a what?
How many primary colors of light are there?
The wave that is shorter than violet that is from the sun?
a group of parallel rays?
Light that bends when it hits a surface is?
Light that bounces off when it hits an object is?
The top of the wave is called?
Bottom of the wave?
In between two crests? or Troughs?
A color that absorbs all colors is?
Material that blocks light from passing through?
A material that allows light to pass through easily?
A material that allows light to pass but not all light?
A lens that curves in?
A lens that curves out?
Dark circle in the middle of your eye?
colorful part of your eye?