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Catch a Wave List 3


absorb When light waves enter a substance and changes into other forms of energy
electromagnetic spectrum The complete range of frequencies of electromagnetic waves from the lowest to the highest, including, in order : radio, infrared, visible light, ultraviolet, X-ray, and gamma ray waves
reflection When light waves bounce off something else
refraction When light waves bend
scatter To cause to separate widely
visible spectrum Wave energy we can see, portion of electromagnetic spectrum that is visible to the human eye; made of colors
prism A piece of glass or plastic that bends light waves
infrared Rays like light but lying outside the visible light spectrum at its red end
transmit To pass or cause to pass through space or a material
ultraviolet light Light with wavelengths shorter than visible light; the term means "above violet." It is the range of light waves that have shorter wavelengths than violet light in the visible spectrum.
opaque An object that does not allow light waves to pass through it – you CANNOT see through it
translucent An object that allows a few light waves to pass through it – you can ALMOST see through it
transparent An object that allows light waves to pass through – you CAN see through these objects
concave lens is thicker at the edges than it is in the middle
convex lens is thicker in the middle than at the edges.
cornea A transparent membrane that covers the eye. This is where light enters the eye.
iris -A circular band that controls how much light enters the eye; the colorful part of the eye -Expands and contracts to control how much light passes through the pupil
lens A transparent tissue that bends light passing through the eye, helping you focus on an image
pupil The hole in the center of the eye that allows light to pass through
retina A layer of tissue on the back of the eye that has cone cells and rod cells that gather information
optic nerve The great messenger in the back of your eye that carries nerve messages and signals from the retina to the brain
sclera The white part of your eyeball; made of a tough material and contains blood vessels
Created by: lcochrane