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9 Cards in this Set

  • Front
  • Back

Reflection

the light energy bouncing off an object or surface

Refraction

the light energy bending as it moves from one medium into another medium

Wavelength

the distance between the top of one crest to the top of the next crest (or from trough to trough)

Infrared

having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves; sensors detect body heat

Ultraviolet

(of light) consisting of rays from the invisible part of the spectrum beyond the purple, that have an effect on the skin, causing suntan.

Ozone

An unstable, poisonous gas of oxygen, O3, that is formed naturally in the ozone layer from atmospheric oxygen by exposure to ultraviolet radiation

Visible Spectrum

he portion of the Electromagnetic Spectrum that can be detected by the human eye

Electromagnetic Spectrum

the range of wavelengths or frequencies over which electromagnetic radiation extends

Electromagnetic Radiation

a kind of radiation including visible light, radio waves, gamma rays, and x-rays, in which electric and magnetic fields vary