| A | B |
| Electromagnetic radiation | has wave properties and particle properites |
| Light | electromagnetic radiation you can see |
| Reflection | the bouncing of a wave off a surface |
| Transparent | a material that allows almost all the light that strikes it to pass through and form a clear image |
| Translucent | a material that allows most of t he light that strikes it to pass through and form a blurry image |
| Opaque | a material through which light does not pass |
| Transmission | the passage of light through an object |
| Absorption | the transfer of energy by a wave to the medium through which it travels |
| Image | a figure, picture or representation of on object |