19 During the second industrial revolution at the end of the 20th century, people paid more and more attention to practical courses and updated more effective teaching methods due to the sharp increase in the demand for high-skilled talents in industrial technology modernization. Famous social thinkers are also one of the important factors in the dissemination and promotion of various ideas; At the same time, because the industrial revolution promoted the development of science and technology, a new media technology was formed.
Extended data
Mainly includes:
1, audio-visual activities, exhibitions, demonstrations, plays, visits, etc.
2. Audio-visual AIDS and teaching materials, including stereo vision AIDS, such as specimens and globes; Graphic visual AIDS, such as photos, pictures, charts, diagrams, maps, illustrations, posters, comic books, blackboards, bulletin boards, etc. ;
Visual teaching AIDS for drawing and writing, such as still pictures, silent movies, slides, physical projection, microscope projection, etc. ; Hearing AIDS, such as records, tape recorders, school broadcasting equipment, radios, etc. ; Audio-visual AIDS, such as audio movies, closed-circuit television, public cable television, etc.
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