Electromagnetic Spectrum
Radiowaves
Microwaves
Infrared Waves
Visible Light
Ultraviolet Rays
X-Rays
Gamma Rays
Definitions
Examples
EMR
EM Spectrum
Electromagnetic radiation (aka. EM radiation or EMR)
Refers to the waves (wave model) or photons (particle model) of the electromagnetic field, radiating through space, carrying energy.
Encompasses all these types of radiation (see rainbow)
EMR is both electrical and magnetic waves traveling in packets of energy called photons.
Questions?
Radio
WiFi
Walkie Talkies
Speed Cameras
Thermal imaging cameras
Remote Controls
Colors of the rainbow
Sun tanning bed
Forgery Money Sensors
Nuclear Power Plants
Bactericidal lamps
Radioactive decay (in the nucleus)