1) Microwaves have higher frequencies than x rays a) Correct b) Incorrect 2) Visible light is only a SMALL portion a) Correct b) Incorrect 3) X-rays may be used to scan luggage a) Correct b) Incorrect 4) UV has higher frequency than microwaves a) Correct b) Incorrect 5) E.S. travels @ speed of light a) Correct b) Incorrect 6) Gamma rays can treat cancer a) Correct b) Incorrect 7) Radio waves can cause cancer a) Correct b) Incorrect 8) The EM Spectrum is arranged by frequency & wavelength a) Correct b) Incorrect 9) Electromagnetic radiation can travel through a vacuum and does not require a medium, such as air or water. a) Correct b) Incorrect 10) Radio waves have high frequencies a) Correct b) Incorrect 11) All types of electromagnetic radiation have the same wavelength. a) Correct b) Incorrect 12) Radio Waves= Lowest frequency a) Correct b) Incorrect 13) Gamma waves have long wavelengths a) Correct b) Incorrect 14) Gamma is Highest frequency a) Correct b) Incorrect 15) Electromagnetic radiation does not need a medium  a) Correct b) Incorrect 16) The EM Spectrum is arranged by brightness a) Correct b) Incorrect 17) EM waves travel at different speeds a) Correct b) Incorrect 18) infrared rays scan luggage a) Correct b) Incorrect 19) All electromagnetic (EM) waves—including radio waves, microwaves, visible light, X-rays, and gamma rays—travel at the speed of light in a vacuum. a) Correct b) Incorrect 20) This type of radiation has low energy, can travel great distances, and is used to send information. a) Radio Waves b) Microwaves 21) This type of electromagnetic wave gives off heat energy and is commonly used to keep food warm. a) Infrared Waves b) X-Rays 22) What type of radiation is used to create images of bones because it cannot pass through them? a) Infrared Waves b) X-Rays

Electromagnetic Spectrum

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