1) Microwaves have higher frequencies than x rays a) Correct b) Incorrect 2) Visible light is only a SMALL portion of the electromagnetic spectrum. a) Correct b) Incorrect 3) X-rays scan luggage a) Correct b) Incorrect 4) Ultraviolet (UV) has higher frequency than microwaves a) Correct b) Incorrect 5) Electromagnetic waves travel at the 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 Electromagnetic Spectrum is arranged by frequency & wavelength. a) Correct b) Incorrect 9) Electromagnetic waves can travel through a vacuum a) Correct b) Incorrect 10) All waves on the Electromagnetic spectrum have the same wavelength a) Correct b) Incorrect 11) Radio Waves= Lowest frequency a) Correct b) Incorrect 12) Gamma waves have long wavelengths a) Correct b) Incorrect 13) Visible light requires a medium to travel through. a) Correct b) Incorrect 14) The Electromagnetic Spectrum is arranged by brightness. a) Correct b) Incorrect

Pretest: Electromagnetic Spectrum

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