The results of science learning on the concept of natural resources achieved by the fourth-grade students of Tarungin 2 Elementary School Students have not been optimal with the average score of students is below 65, the average score obtained by students is only 59.5. That is because the lecture method still dominates the learning process. Classroom action research aims to increase teacher activity, student activity, and science learning outcomes of fourth-grade elementary school students with the STAD type cooperative learning model. This research was conduct in two cycles, for three months (January-March 2020). The research subjects were 16 students, eight males, and eight females. Retrievals of data using observation techniques, tests, and questionnaires. The data analysis technique has been carrying descriptively. The results showed that the use of the STAD type cooperative learning model had increased teacher activity in managing learning, student activities during the learning process, and student learning outcomes. Abstrak Hasil pembelajaran IPA pada konsep sumber daya alam yang dicapai siswa kelas IV SDN Tarungin 2 selama ini belum maksimal, rata-rata nilai siswa di bawah 65, nilai yang diperoleh siswa rata-rata hanya mencapai 59,5. Hal ini disebabkan metode ceramah masih mendominasi proses pembelajaran. Penelitian tindakan kelas bertujuan meningkatkan aktivitas guru, aktivitas siswa, dan hasil belajar IPA siswa kelas IV sekolah dasar dengan model pembelajaran kooperatif tipe STAD. Penelitian dilaksanakan dua siklus, selama tiga bulan (Januari-Maret 2020). Subjek penelitian sebanyak 16 orang siswa, delapan orang laki-laki dan delapan orang perempuan. Pengambilan data dengan teknik observasi, tes, dan angket. Teknik analisis data dilakukan secara deskriptif. Hasil penelitian menunjukkan penggunaan model pembelajaran kooperatif tipe STAD telah meningkatkan aktivitas guru dalam mengelola pembelajaran, aktivitas siswa selama proses pembelajaran, dan hasil belajar siswa.