This research aimed to (1) describe the potential and the conditions of instructional materials of Science that had been already used, (2) describe the process of the development of character-based Science module instructional materialsàin accordance with the studentsââ¬Â characteristics and needs, (3) produceàthe instructional materials of character-based Science moduleàin accordance with the studentsââ¬â¢ characteristics and needs. The research was conducted at Junior High School 26 Bandar Lampung, Junior High School 28 Bandar Lampung, and Junior High School 2 Bandar Lampung. The research conclusions are : (1) Junior High School in Bandar Lampung have potential to develop module which is characterized by the absence of module and handbook used to support the goal of Science, (2) the development process of character-based Science module is validated by material, design, and multimedia experts, (3) the product produced in the form of character-based Science module as the learning complementTujuan penelitian ini adalah (1) mendeskripsikan potensi dan kondisi bahan ajar IPA yang sudah digunakan, (2) mendeskripsikan proses pengembangan bahan ajar modul IPA berbasis karakter yang sesuai dengan karakteristik dan kebutuhan siswa, (3) menghasilkan produk bahan ajar modul IPA berbasis karakter sesuai dengan karakteristik dan kebutuhan siswa. Penelitian dilakukan di SMPN 26 Bandar Lampung, SMPN 28 Bandar Lampung, dan SMPN 2 Bandar Lampung. Kesimpulan penelitian adalah (1) SMP Negeri di Bandar Lampung berpotensi untuk pengembangan modul, yang ditandai dengan belum adanya modul dan buku yang digunakan selama ini kurang mendukung tercapainya tujuan mata pelajaran IPA, (2) proses pengembangan modul IPA berbasis karakter divalidasi ahli materi, desain, dan multimedia, (3) produk yang dihasilkan berupa modul IPA berbasis karakter sebagai komplemen pembelajaranKata kunci: karakter, materi kalor, modul pembelajaran.