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9 Cards in this Set
- Front
- Back
Reflection |
the light energy bouncing off an object or surface |
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Refraction |
the light energy bending as it moves from one medium into another medium |
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Wavelength |
the distance between the top of one crest to the top of the next crest (or from trough to trough) |
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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 |
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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. |
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Ozone |
An unstable, poisonous gas of oxygen, O3, that is formed naturally in the ozone layer from atmospheric oxygen by exposure to ultraviolet radiation |
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Visible Spectrum |
he portion of the Electromagnetic Spectrum that can be detected by the human eye |
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Electromagnetic Spectrum |
the range of wavelengths or frequencies over which electromagnetic radiation extends |
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Electromagnetic Radiation |
a kind of radiation including visible light, radio waves, gamma rays, and x-rays, in which electric and magnetic fields vary |