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EM spectrum
you must pass
9
Science
7th Grade
02/08/2012

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Term
Visable Light
Definition
Is the portion of the electromagnetic spectrum that is visible to the human eye.
Term
Radio Waves
Definition
Are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
Term
Infrared waves
Definition
Is electromagnetic radiation with a wavelength longer than that of visible light.
Term
Utraviolet waves
Definition
Is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays.
Term
X-rays
Definition
A form of electromagnetic radiation.
Term
Gamma rays
Definition
Naturally produced on Earth by decay of high energy states in atomic nuclei.
Term
G.P.S
Definition
A space-based satellite navigation system that provides location and time information in all weather.
Term
Telephones
Definition
A telecommunications device that transmits and receives sounds.
Term
E.M Waves
Definition
A form of energy emitted and absorbed by charged particles.
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