A - The relationship between the means and the scientific material for a lesson or unit of study.
B- The importance of the means for the subject matter.
C - relevance to the subject matter.
D - the availability of the excitement and thrill in the same way.
E - how to achieve the goal of use.
The separated specialized books in this field these issues adequately, and anyone has to do with the educational process, whether as a teacher in kindergarten Or a university professor will not be mistaken if it contains its own library books or more than talking about teaching aids for reference and benefit from the practice.
التسميات
Teaching Aids