تطوير مقرر العلوم في ضوء التعليم المدمج وأثره في تنمية المفاهيم العلمية لدى تلاميذ المرحلة الإعدادية من الصم
The aim of this research is to develop the science curriculum in the light of the integrated education and its impact on the development of scientific concepts among the students of the preparatory stage of the deaf, and this research has followed the quasi-experimental design and used one of its designs that is the two- group experimental design. The research sample consisted of (40) students in the second grade. This research has reached that there is a statistical significant difference between the mean scores of the experimental group that use blended learning in studying, and the mean scores of control group in the post application of Scientific Concepts test for the sake of the experimental group. Also, there is a statistical significant difference between the means scores of experimental group in Scientific Concepts test before and after studying the unit for the sake of after test. (Published abstract)