| المستخلص: |
"The aim of the current research is determined by the effect of the Dunkhase model on the acquisition of physical concepts in the fourth class students, In order to achieve the aim of the research, the null hypothesis was formulated:- (There is no statistically significant difference at the level of (0.05) According to the steps of the Dunkhase model and the average score of the control group students studied in the normal way in the exam of the physical concepts). The study was confine to students of the fourth class in the secondary and secondary morning government of the Directorate of Education of Qadisiyah for the academic year (2017-2018) in the center of the governorate. The researcher used the partial experimental design of the two groups, which contains the experimental group and the control group, According to the design, the Diwaniyah prep was randomized to represent the sample of the study, It consisted of five groups randomly chosen to represent the experimental group , It contained 32 students who studied According to the steps of the Dunkhase model, and randomly chosen (A) to represent the control group, It included 32 students who learned according to the usual steps. The two groups were preciated in the following variables :- the age of the months in months, the intelligence, the collection of the first course, and the exam of the last information , The educational material that the researcher identified was in the following chapters (6 -7 -8 -9) The researcher prepared (30) teaching plans for every group (experimental and control), and according research tool, the exam was constructed of the physical concepts which contained of (45)) Paragraph of the division of selection of pleasures D with four alternatives, has been verified sincerity and persistence and the coefficient of discrimination has difficulty and effectiveness of alternatives to him. The results got that SPSS-22,was superior to the experimental group, which learned the steps of the Dunkhase model on the control group who studied according to the steps of the usual way of testing the acquisition of physical concepts . According to these results, the researcher recommended the use of this model (Dunkhase) in teaching and teaching physics, and conducting training courses for teachers to explain how the implementation of the model Dunkhase in classroom cases, the researcher also suggested to conduct the same studies on samples of students in other grades, (Such as critical thinking, problem solving skills, and decision-making skills)."
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