The learning material about body's defence system is considered difficult by students because it related to mechanisms internals organs and abstract concepts. The attempt that able to create is by increasing logical thinking and curiosity. Nevertheless, the lack of learning media used by teachers does not support the ability to think logically and curiosity of students. The purpose of this research is to create learning media based contextual teaching and learning (CTL) through electronic magazines that proper, practical, and effective to improving student's logical thinking and curiosity. The procedure used for the research are ADDIE development model consists of five steps, which are analysis, design, development, implementation, and evaluation. The trial test used a quasi experimental design of nonequivalent control group design. The control and experimental classes were selected using the random sampling method so that there were different numbers of students in each class selected. The trial subjects were divided into control class (35 students) and experimental class (36 students). Based on the results of data analysis revealed that: (1) CTL electronic magazines is proper to use as learning media with a very worthy category; (2) CTL electronic magazines is practical to use as learning media based on learner responses percentage of learning implementation 90% with very good category; (3) CTL electronic magazines are proven effective to increased the logical thinking ability and curiosity of students
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