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14 Cards in this Set
- Front
- Back
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electromagnetic spectrum |
the complete range of electromagnetic waves placed in order of increasing frequency |
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electromagnetic wave |
transverse waves that transfer electric and magnetic energy |
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fluorescent light |
light bulb that glows when an electric current causes ultraviolet rays to strike a coating inside a tube |
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illuminated |
word used to describe an object that can be seen because it reflects light |
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incandescent light |
light bulb that glows when a filament inside it gets white hot |
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infrared rays |
electromagnetic waves with wavelengths shorter than radio waves, but longer than visible light |
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luminous |
word used to describe an object that can be seen because it emits light |
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microwaves |
radio waves with the shortest wave-lengths and the highest frequencies |
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polarized light |
light that vibrates in only one direction |
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radiation |
the transfer of energy by electromagnetic waves |
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radio waves |
electromagnetic waves with the longest wavelengths and lowest frequencies |
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thermogram |
images that show regions of different temperatures in different colors |
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visible light |
electromagnetic waves that are visible to the human eye |
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X-rays |
electromagnetic waves with wavelengths shorter than ultraviolet waves, but longer than gamma rays |
