This development research of subject material using articulation learning model is held with its general purpose is to explain the feasibility of science subject material in junior high school on the subject of sound which is developed with articulation learning model in SMP Negeri 10 Banjarmasin, and its particular purposes are to explain: (1) validity of subject material seen from the validation test, (2) the practicality of subject material seen from the lesson plan implementation during the learning process, and (3) the effectiveness of subject material seen from the students' achievement on the cognitive learning result test. The type of this research is development research referred to Dick and Carey development model. The tryout subject of this research is 30 students of class VIII E SMP Negeri 10 Banjarmasin. Data collecting technics are subject material validation sheet, lesson plan implementation observation sheet, and learning result test sheet. Data analysis technic consists of validity, reliability, and N-gain test. The research result shows that: (1) the validity of subject material, which is developed according to the validators, is categorized as valid with small revision, (2) the practicality of subject material seen from the lesson plan implementation during the learning process is categorized as well implemented, and (3) the effectiveness of subject material seen from the students' achievement on the cognitive learning result test is categorized as medium and stated as effective. It is concluded that the developed learning material on the subject of sound with articulation learning model is feasible to be used in the learning process. Keywords: Learning material, articulation learning, sound.