Labels:text | screenshot | font | number OCR: ELECTROMAGNETIC ........................... ........ ........... RADIATION ELECTROMAGNETIC RADIATION is energy that travels through space and some substances. This energy can be thought of both as waves and as tiny "packets" called photons. The full electromagnetic spectrum (in order of decreasing wavelength) includes radio waves, microwaves, infrared waves (heat), light, ultraviolet waves, X-rays, and gamma rays.
