| A | B |
|---|
| nuclear fusion | When particles of two atoms fuse together. |
| radiant energy | Energy of electromagnetic waves. |
| incadescent light | Light produced by a glowing filament with electricity flowing through it. |
| light emitting diode | Light produced by electrons flowing through a semi-conductor. |
| transparent | Sustance allowing nearly all light to pass through. |
| translucent | Substance allowing scattered light to pass through, yet cannot be clearly seen through. |
| electromagnetic energy | Energy of stars like our sun that travels in waves. |
| visible spectrum | Portion of the electromagnetic spectrum that is visible as light. |
| invisible spectrum | Portion of the electromagnetic spectrum that is not visible |
| ultraviolet | electromagnetic waves beyond the violet color. |
| infared | electromagnetic waves with longer wavelengths than red. |
| reflective | Property of light causing it to bounce off of things. |
| angle of incidence | the angle of incidence equals the angle of reflection. |
| refraction | the bending of light. |
