In the days of the visual culture a manner of the transmission of information plays a very important role. Adopting a technique of the join of text, graphics, sound and animation in frames of the uniform structure of presenting data, particularly in the education, it is possible to achieve good results in handing over of knowledge than at using only one of the media. The article presents the results of research devoted to the influence of visual and textual teaching materials, on the level of assimilation of knowledge subjects and their involvement in the assimilation of content. The analysis of the results showed that the visualization of teaching content is a factor significantly activating the educational process and affecting the level of knowledge assimilation.