| Term | Definition |
|---|
| EM wave | a wave that can travel through space at the speed of light and has electric and magnetic fields |
| transverse wave | a wave whose motion of the particles is prpendicular to the motion of the wave |
| longitudinal wave | a wave whose motion of the particles is parallel to the motion of the wave |
| 300,000 km/hour | speed of light |
| radiation | the emission of energy in the form of EM waves |
| AM waves | radio waves that can bounce off of the ionosphere |
| FM | radio waves that can carry more information |
| Infrared | heat waves |
| UV | causes sunburns and skin cancer |
| refraction | the bending of light waves |
| diffraction | the bending of light waves around barriers or through openings |
| interference | wave interaction when 2 or more waves interact |
| Isaac Newton | Particle (Ray) Model |
| CChristian Huygens | Wave Model |
| Einstein | Photon Model |
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