This study aimed to highlight one of the modern various teaching strategies associated with STEAM approach in teaching science and its essential association with the curriculum in the second phase of basic education and the développement of educational curricula, especially the curriculum of science. The study sample comprises 60 students,30 controlled and 30 expérimental groups, a teacher's guide with the measure of science processes was prepared, including 36 questions. A questionnaire for assessing motivation toward learning science containing 35 statements divided into six parts from a previous study was developed. The study used a quasi-experimental design. The importance of the study is to apply strategies and teaching Methods associated with science and mathematics, engineering, technology, and arts, this approach develops students to acquire different science processes (basic and integrative) through surveying, Solveig problems, experimenting, working in groups, and solving society's problems, and thereby students earn desires and tendencies towards learning science. On the other hand, the study focused on providing advanced teaching in science curricula. The results demonstrated students' progress in post-test using STEAM education and showed increasing motivation towards learning. The study submitted several suggestions and recommendations such as activating the STEAM program, training courses, and workshops for students and teachers, and modifying the fairest teachers in line with the fourth revolution that helps those involved in implementing and preparing educational curricula.