The background of this research is that science instruction in the fourth-grade class at SDI Puspa Bangsa was ineffective and delivered using conventional methods. Consequently, students were disengaged from the teacher's explanations, and both their interest and learning outcomes declined. Therefore, research was required to improve the quality of instruction by employing an approach capable of boosting student interest. This Classroom Action Research (CAR) aimed to describe the use of the experimental method in science instruction and to enhance the interest and learning outcomes of fourth-grade students following the implementation of this method. SDI Puspa Bangsa served as the subject of this qualitative study. The research procedure comprised four stages: (1) planning, (2) implementation, (3) observation, and (4) reflection. The research findings are as follows: (1) the experimental method was implemented in science instruction over two cycles; (2) the use of the experimental method improved student interest and learning outcomes, as evidenced by the increase in learning mastery from Cycle I (60%) to Cycle II (85%). Keywords: Learning Outcomes, Experimental Method, Heat Energy Transfer Abstrak Latar belakang masalah penelitian ini adalah bahwa pembelajaran IPA di kelas IV SDI Puspa Bangsa masih kurang efektif dan disampaikan secara konvensional oleh guru. Akibatnya, siswa tidak mau mendengarkan penjelasan guru dan minat dan hasil belajar mereka juga menurun. Akibatnya, penelitian harus dilakukan untuk meningkatkan kualitas pembelajaran dengan menggunakan pendekatan yang dapat meningkatkan minat siswa. Penelitian Tindakan Kelas (PTK) ini bertujuan untuk menjelaskan penggunaan metode eksperimen dalam pembelajaran IPA dan meningkatkan minat dan hasil belajar siswa kelas IV setelah metode diterapkan. SDI Puspa Bangsa adalah subjek penelitian kualitatif ini. Urutan kegiatan penelitian meliputi (1) perencanaan, (2) pelaksanaan, (3) observasi, dan (4) refleksi. Hasil penelitian adalah sebagai berikut: (1) penerapan metode eksperimen dalam pembelajaran IPA dilakukan dalam dua siklus; (2) penerapan metode eksperimen pada Pembelajaran IPA dapat meningkatkan minat dan hasil belajar siswa, seperti yang ditunjukkan oleh peningkatan ketuntasan belajar di Siklus I (60%) dan Siklus II (85%). Kata kunci: Hasil Belajar, Metode Eksperimen, Perpindahan Energi Panas
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Yusuf et al. (2026) studied this question.
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