| A | B |
|---|
| audible | loud enough to be heard |
| audience | a group of listeners |
| audio | relating to the transmission, reception, or reproduction of sound |
| auditorium | a place where an audience gathers to hear a presentation or performance |
| inaudible | not loud enough to be heard |
| photocopy | a duplicate copy made with the aid of light |
| photograph | a picture made with light sensitive film |
| photography | the process of using sunlight to make food for plants |
| photographic | the ability to be photographed |
| photosynthesis | the process of using sunlight to make food for plants |
| construct | build |
| construction | the act of building |
| infrastructure | the underlying inner framework of a structure |
| structure | a building or something built, such as a bridge |
| thermometer | an instrument for measuring heat |
| thermos | a container for keeping a liquid's heat |
| thermostat | a device used to automatically control heat |
| television | the broadcasting of visual images by radio waves that are projected on a screen or picture tube |
| vision | the sense of sight |
| invisible | not able to be seen |
| visual | of or relating to sight |
