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Light Vocabulary

Electromagnetic Spectrum All energy waves that travel at the speed of light in a vacuum; includes radio, infrared, visible, ultraviolet, x-rays, and gamma rays.
Absorption Happens when a solid material takes in light waves and changes it into thermal or heat energy.
Lens A curved piece of clear glass or plastic that bends light
Prisms A glass bar that separates white light into the color of the rainbow.
Opaque Materials that do not let light pass through them.
Reflection The bouncing back of light rays from a surface.
Refraction The bending of light rays as they move from one material into another material.
Light A form of energy that travels in waves and can move through empty space where there is no air.
Transparent Materials that allow light to pass through them.
Translucent A material that transmits some light and absorbs some light.
Concave lens A lens that is thinner in the center and thicker at the edges, a shape that bends light outward.
Convex lens A lens that is thicker in the center and thinner at the edges, a shape that bends light inward.
Created by: jbates07