Pengembangan pembelajaran IPA terpadu dengan menggunakan model pembelajaran problem base melalui lesson study

The implementation of integrated science learning needs teacher enough. lesson study is one of many ways which teachers can increase their profesionalism in teaching science integratedly. the research aim to develop integrated science learning is using the problem base learning model,in which students will solve problem,given by teachers,using scientific methodes. the result of this research shows that the integrated science learning with problem base learning model through lesson study activity can help teachers to develop sets of learning equipment and give the better learning. it can be shown in the increasing observation result on every test and the average students score from the first until the third tests. students scientific working skill can help students to understand the science material given untedly by the teacher so that they can get the complete understanding. © 2012 prodi pendidikan ipa fmipa unnes semarang.