There is no doubt that the process of curriculum development is not a mood but a process based on a set of justifications may vary from one community to another and from time to time. These justifications are:
1. Qualitative and quantitative development of human knowledge (the knowledge explosion) in the present era curriculum development before a big challenge.
2. The rule of scientific method in the various areas of life.
3. Cohesion between theoretical science and applied research and between theory and practice.
4. Development of science as a result of educational research and studies is the ...