| A | B |
|---|
| ultraviolet ray | ray which can cause sunburn |
| tungsten-halogen | type of bulb used in overhead projectors. |
| wavelength | distance from crest to crest |
| gamma ray | shortest wavelength ray |
| visible light colors | roygbiv |
| microwave | wave used for heating food |
| infrared ray | frequency below visible light |
| radio wave | shorter wavelength than visible light |
| X-ray | Ray penetrates skin but not bones |
| red light rays | lowest frequency visible light rays |
| violet light rays | highest frequency visible light rays |
| gamma ray | ray which penetrates steel and lead |
| AM radio wave | radio wave with modulated amplitude |
| FM radio wave | radio wave with frequency modulated |
| electromagnetic wave | wave which does not require a medium |
| transverse wave | electromagnetic waves are this type of wave |
| photon | a packet of energy |
