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A1 عبد، حنان كاظم. AB The research deals with the use of free homework and its effect on fourth elementary school in sciences). A multiple-choice test was distributed which consists of a set of paragraphs of (20) checksums paragraph probationary status with alternatives for the purpose of choosing the right correct answer. The preparation of these paragraphs taken from the book of science for fourth grade primary has included the three units of the first unit (human and House)and the second (human, water and air) and the third unit (human and food) It was presented to experts and specialists in science and teaching methods of measurement and evaluation, and the percentage of agreement (80%) on the survival of all the paragraphs, and the researcher applied to the sample and exploratory s (50),pupil of outside the study of school (beacon) for the purpose of extracting the psychometric characteristics and using statistical of the paragraphs of the test results were hogback all paragraphs without deleting the paragraph because that as high as(20%) or more paragraph good extension (4), then a researcher on the application of the test worked his image on the final two groups (experimental and control), amounting to their number (60) Delmarva on 8/12/2015 and the results after the statistical analysis using (spss)There is no difference statistically significant between the average scores students (the experimental group) who are studying in accordance with the homework and free between the scores of students (the control group) the usual way and in favor of the experiment group at the level of significance (0,05) Table (6) using AI (t-test) to calculate the calculated value. (Published Abstract) http://search.shamaa.org/abstract_en.gif ID 121728 OP ص ص. 277-298 T1 أثر إستخدام الواجبات البيتية الحرة في تحصيل تلاميذ الصف الرابع الإبتدائي في مادة العلوم [مقال] UL 1 http://search.shamaa.org/fulltext.gif https://www.iasj.net/iasj/article/121611 النص الكامل (PDF)