| A | B |
|---|
| light | a wave we see wit our eyes |
| electromagnetic | a spectrum range of waves that includes radio waves, light, and gamma rays |
| energy level | a property of electrons inside atoms |
| incandescence | heating something up so hot it gives off light |
| fluorescence | stimulating atoms to emit light using lisht of another energy |
| interference | the interaction of two or more waves with eath other |
| radio waves | em eaves that have very low energy and wavelengths of many meters |
| infrared | em waves that we feel as heat |
| uv | em waveswith more eergy than visible light and that cause sunburns |
| X rays | em waves that can pass through skin and make images of the body |
| gamma rays | em waves that have very high energy and come from nuclear reactions |
| polarization | a ways of aligning the direction of light wave vibration by blocking some of the waves |
| color | how we perceive different frequencies of light within the visible range |
| photoreceptors | nerve cells in the eyes that are sensitive to light |
| primary colors | red, green, and blue |
