Sometimes it is difficult for the teacher to provide real experience, as a result of the difficulty of achieving it is either (any real experience) be serious or rare or may interfere temporal dimension and spatial in it, many things forward without achieving this experience so resorted teacher to use some teaching aids that compensate this shortage and make the experience with which the student close to the truth and direct experience Among those teaching aids, three-dimensional models, what is the holographic model.
التسميات
Teaching Aids