Changes

An '''electromagnetic wave''' is a transverse wave composed of an oscillating electrical field and a magnetic field that oscillate perpendicular to the electric field.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

[[File:Electromagneticwave3Dfromside.gif|thumb|right|An animation showing how an electromagnetic wave propagates]]An '''electromagnetic wave''' is a transverse wave composed of an oscillating electrical field and a magnetic field that oscillate perpendicular to the electric field.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

The spectrum of electromagnetic waves has an extremely wide range from radio waves, microwaves, terahertz radiation, infrared (IR) radiation, visible light, ultraviolet (UV) light, far UV radiation, soft X-rays, hard X-rays and <math>\gamma</math>-radiation.

The spectrum of electromagnetic waves has an extremely wide range from radio waves, microwaves, terahertz radiation, infrared (IR) radiation, visible light, ultraviolet (UV) light, far UV radiation, soft X-rays, hard X-rays and <math>\gamma</math>-radiation.