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Britton BMS 3C

McDougal Littell 6th grade science chapter 3C Brawley Middle School

Questions for chapter 3C LightAnswers for chapter 3C
electromagnatic wave a disturbance that transfers energy through a field
radiation the transfer of energy in the form of electromagnetic waves
electromagnetic spectrum the range of EM (electromagnetic) frequencies
radio waves EM waves with the longest wavelengths and lowest frequencies
microwaves EM waves with shorter wavelengths and higher frequencies than radio waves
visible light part of the EM spectrum that human eyes can see
infrared light part of the EM spectrum with frequencies between microwaves and visible light
ultraviolet light part of the EM spectrum with frequencies above visible light and below those of x-rays
x-rays part of the EM spectrum with very high frequencies
gamma rays part of the EM spectrum with the highest frequencies
transmission the passage of an EM wave through a medium
absorption the disappearance of an EM wave into a mediumscattering
scattering the spreading out of light rays in all directions
polarization the way of filtering light so that waves vibrate in the same direction
prism a tool that uses refraction to separate light into different wavelengths
primary colors the three colors of light--red,blue,and green--that can be mixed to make all the other colors and white
primary pigments the three colors of materials--cyan, yellow, and magenta--that can be mixed to make all the colors and black