| A | B |
| x-rays | can penetrate skin and muscle but are absorbed by bones |
| ultraviolet waves | used to sanitize surgical instruments |
| visible light | covers the ROY G BIV spectrum |
| gamma rays | carry very large amounts of energy and are used to treat cancer |
| FM radio waves | radio wave with frequency modulation |
| microwaves | used for cooking and in radar |
| radio waves | have the largest wavelengths and lowest frequencies |
| electromagnetic wave | a wave that is classified according to its frequency and wavelength |
| AM radio waves | radio waves with amplitude modulation |
| infrared waves | given off by stars, planets, buildings, trees, and human beings |