overhead transparencies
Clear lecture sheets
Overhead transparencies are clear plastic sheets designed for use with an overhead projector.
Text or images printed or drawn on the transparency are projected onto a screen or wall for group viewing.
Before digital presentations became standard, transparencies were ubiquitous in classrooms and business meetings: She prepared a stack of overhead transparencies for her lecture.
- projectorLight-casting display device
- slidesMoves smoothly across surface
- acetateVinegar-derived compound
- presentationFormal display to viewers
- viewingAct of watching something
flip chart · display · visual aid · illumination · image · marker pens · clarity · teaching aids · teacher's desk · visual communication · whiteboard · instructional materials · school supplies · laser pointer · document camera · lecture hall · interactive displays · light source
overhead transparenciesPowerPoint
Microsoft's presentation application
Google Slides · Keynote · Prezi · interactive whiteboards · screen sharing
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