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EM waves
Science 8 Chap 17 Vocabulary
Term | Definition |
---|---|
Electromagnetic Wave | a disturbance that transfers energy through a field |
radiation | energy that moves in the form of EM waves |
Electromagnetic spectrum | range of all EM frequencies |
Transmission | passage of EM wave through a medium |
Absorption | disappearance of an EM wave into the medium |
Scattering | spreading out of light rays in all directions |
Polarization | quality of light in which all of its waves vibrate in the same direction |
Prism | tool that uses refraction to spread out the different wavelengths that make up white light |
Primary colors | three colors of light- red, green, and blue- that can be mixed to produce all possible colors |
Primary pigments | three colors of substances- cyan, yellow, and magenta- that can be mixed to produce all possible colors |