Fill in the Blanks EM Spectrum Online version Fill in the blanks for the following phrases. by Alana Ferguson 1 violet X frequency Red transverse light information phones rays space light shorter football rays waves Gamma infrared UV gamma ray radio empty visible cell field All EM waves are waves . EM waves are organized by their . EM waves can travel through materials or through . EM waves all travel at the speed of which is 300 , 000 , 000 m / s . The EM wave with the highest frequency is a . The EM wave with the lowest frequency and longest wavelength ( size of a football field ) are . EM waves with high frequencies have wavelengths . One thing that is similar to the length of one radio wave is a . Radio waves carry signals for your tv and . The only EM wave that we can see is . Along with heating food , microwaves are good for transmitting from one place to another . Night vision goggles pick up on waves so we can see in the dark . We wear sunblock to protect ourselves from . - can be used to see our bones and teeth . rays can be produced by radioactive atoms and nuclear explosions . is the color with the lowest frequency and is the color with the highest frequency .
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