Indonesia Conference Directory

STEM that an acronym for science, technology, engineering, and mathematics defined as the integration of science, technology, engineering, and mathematics into a new cross-disciplinary subject in schools. We dont deny that the concept of integrating subjects to teach science in Indonesian schools, generally is not new and has not been very successful in the past. In addition, some people consider STEM as an opportunity while others view it as having problems. However, the answer to how STEM education implementation has not been studied yet comprehensively. Therefore, STEM education-s lesson plans is very important to be designed then implemented. This work designed STEM education-s lesson plan on topics of ecosystem, used R&D approach four-D model that reduced into three stage: define, design, and develop. This work is non-implementation throughtout.