摘要：The Improvement of Science Learning Activities through Real Science Mask with Role-Playing Model. This study aims to improve the learning activities of students in learning through real science masks using role playing models in the material of cell reproduction and the reproductive system. Data were analyzed with descriptive analysis techniques. The subjects used in this study were students of class IX B at SMPN 10 Semarang in the 2019/2020 academic year as many as 34 students who had heterogeneous academic abilities and different backgrounds. The results showed that in the first cycle obtained an average value of 7.85 from a total value of 12. The percentage of achievement of learning activities undertaken by students in the first cycle was 65%. In cycle II an average value of 8.88 was obtained. The percentage of learning activities of students in the second cycle amounted to 74%. It shows there has been an increase in the value of students' learning activities from cycle I. The percentage of students' learning activities in cycle III amounted to 85%, which means there has been an increase in the value of students' learning activities from cycle II.
其他摘要：Pembelajaran IPA dapat dilakukan dengan meningkatkan peran peserta didik secara langsung (scientific activities). Penelitian ini bertujuan untuk meningkatkan aktivitas belajar peserta didik dalam pembelajaran melalui real science mask menggunakan role playing model materi reproduksi sel dan sistem reproduksi. Metode penelitian adalah penelitian tindakan dengan tiga siklus. Langkah-langkah setiap siklus terdiri dari perencanaan, pelaksanaan, observasi, dan refleksi. Data dianalisis dengan teknik analisis deskriptif. Subjek penelitian ini adalah peserta didik kelas IX B di SMPN 10 Semarang tahun pelajaran 2019/2020 sebanyak 34 peserta didik. Hasil penelitian pada siklus I diperoleh persentase pencapaian aktivitas belajar sebesar 65%, pada siklus II sebesar 74%, serta pada siklus III diperoleh persentase sebesar 85%. Berdasarkan hasil penelitian terjadi peningkatan nilai aktivitas belajar peserta didik dari siklus I, II dan III. Adanya selisih nilai persentase untuk tiap siklusnya menunjukkan bahwa penelitian tindakan kelas yang dilakukan telah berhasil dalam meningkatkan aktivitas belajar peserta didik.
关键词：Real science mask Aktivitas belajar Role playing
