Using the REACT Strategy in Teaching Science to Develop Preparatory Stage Pupil's Conceptual Understanding

The research aimed to investigate the effectiveness of using the REACT Strategy to acquire Conceptual Understanding for First grade students preparation. The instructional materials were prepared, including a student’s textbook in the “force and motion” unite according to the REACT strategy, a teacher’s guide formulated according to the REACT strategy. The research instruments included a Conceptual Understanding test for force and motion based on levels (Explanation and Interpretation, Application), The quasi-experimental approach that was used is based on the two-group design. The research group was selected from- the students of the preparatory class from schools of Al-Matahra Alsharqiya preparatory school and Al-Nuwairat preparatory school Abu Qurqas Administration in Minia for for the academic year 2022/2023,This sample consisted of 100 male and female students, including 50 male and female students for control group and 50 male and female and female students for the experimental group.The research results indicated that the there is a statistically significan difference at level 0.05 between the mean scores of experimental group and the control group in the post-application of the conceptual comprehension test in favor of the experimental group, the research led to a number of recommendations and proposals in the light of those results.