Light
Light travels in this shape.
Straight line
A mirror does this to light.
Reflects it
Light bends when it passes through this, like water or glass.
Transparent Material
This colored part of the eye controls light entry.
Iris
A prism splits white light into these colors.
Rainbow/spectrum
This type of material does not let any light pass through.
Opaque
On rough surfaces, light scatters in all directions. This is called what?
Diffuse Reflection
The point where light rays meet after passing through a lens.
Focal point
These eye cells detect colors but need bright light.
Cone cells
A red object reflects this color and absorbs others.
Red
Light can travel through space because it doesn’t need this.
Air / Material / Particles
The angle of incident ray equals the angle of ________.
Reflection
When light slows down in glass, it bends toward this line.
Normal
The nerve that sends signals from the eye to the brain.
Optic nerve
Mixing red, blue, and green light makes this color.
White
Shadows form when light is blocked by this kind of object.
Opaque
In a mirror, your left hand appears to be this hand.
Right
A lens that makes light rays come together is called this.
Converging lens / Convex lens
In a camera, this part opens to let light in.
Shutter
A blue filter only lets this color of light pass through.
Blue
Light waves move this way (up and down, not side to side)
Transverse
The imaginary line at 90° to a mirror’s surface.
Normal
The distance from a lens to its focal point.
Focal length
The transparent layer at the front of the eye that helps focus light.
Cornea
The process of splitting light into colors.
Dispersion