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Science 8

8.8C Electromagnetic Spectrum

TermDefinition
Wavelength the distance between any two corresponding points on successive oscillations of a wave, such as from peak to peak
Electromagnetic Spectrum a grouping of all possible energy levels of electromagnetic radiation from radio waves to gamma rays
Electromagnetic Radiation the type of energy released by stars consisting of electric and magnetic waves that travel at the speed of light
Radiation the transfer of energy by movement of electromagnetic waves or subatomic particles
Radio Waves electromagnetic waves with long wave lengths and low frequencies
Micro Waves electromagnetic waves that are between radio waves and infrared waves in the electromagnetic spectrum
Infrared Waves electromagnetic waves with longer wavelengths than visible light but shorter than radio waves
Light Waves electromagnetic waves with a frequency between UV and infrared waves, usually visible
Ultraviolet Waves electromagnetic waves with a wavelength shorter than visible light but longer than X-rays
X-Rays electromagnetic waves that are the second highest in energy and are used in medical and astronomical applications
Gamma Rays electromagnetic waves with the highest energy; produced by supernovas, the destruction of atoms, or the decay or radioactive material
Radio Astronomy the study of celestial objects that emit radio waves
Cosmic Microwave Background (CMB) electromagnetic radiation left over from early development of the universe that fills the universe; detected with a radio telescope and is a key proof of the Big Bang theory of the origin of the universe
Red Shift the change in wavelength that allows us to determine if and object is moving toward us or away from us
Created by: kendra.young