AU - سعادة، جودت أحمد. AU - الحوامدة، عيسى محمد AB - This study aimed at applying three skills of CoRT thinking program in teaching science for sixth grade students in Jordan and their effects on motivation and achievement. The sample was consisted of (88) students who were distributed into four groups: The first experimental group that was taught by using (Random Input) skill. The second experimental group was taught by using (Yes, No, Po) skill. The third experimental group was taught by using (Rolling Stone) skill, while the control group was taught by the ordinary method. The researchers used two main instruments: An achievement test that has been developed by them, and a motivation scale that has been adapted by the researchers. Both instruments have been ASSESED- The reliability of the instruments was calculated by using (test- retest) formula and IT was (0.86) and (0.83). The researchers used SPSS Package and ANCOVA. The findings showed that there were statistically significant differences between means of achievement and motivation tests, due to the skills used, in favor of (Yes, No, Po) skill, followed by Random Input Skill ،and Rolling Stone skill, and in favor of the three experimental groups students when they compared with the control group students in both achievement and motivation grades. The study recommended that science teachers should be trained in those three skills, and the science curriculum should concentrate on all of them. Moreover, new studies should be conducted about using the three skills with new variables and with other educational levels. The study recommended that lesson models of the three skills should be included in science curriculum.(Published Abstract) http://search.shamaa.org/abstract_en.gif ID - 123360 OP - ص ص. 309-325 T1 - تطبيق ثالث مهارات لبرنامج كورت (CoRT) للتفكير في تدريس العلوم لطلاب الصف السادس وأثرها في الدافعية والتحصيل [مقال] UL - 1 http://search.shamaa.org/fulltext.gif http://journals.ju.edu.jo/DirasatEdu/article/download/9752/7886 النص الكامل (PDF)