This study aims to describe students' critical thinking skills in natural science learning, the effectiveness of the guided inquiry learning model assisted by picture card media in improving students' critical thinking skills in natural science learning, and the difference between before and after using the media-assisted guided inquiry learning model. picture cards in improving students' critical thinking skills in learning natural sciences. This research is a quantitative pre-experimental design. The research design used is the One Group Pretest-Posttest Design pattern. This design has a pretest, before being given treatment. The data collection technique in this study used a multiple-choice test technique. The data in this study were analyzed using descriptive and inferential statistical analysis techniques. The results of this study indicate that students' critical thinking skills before being taught the guided inquiry learning model assisted by picture card media had an average of 37.31, a standard deviation of 19.299 and a percentage of completeness of 8% and after applying the guided inquiry learning model assisted by media picture students' critical thinking skills have an average of 73.46, a standard deviation of 9.356 and a completeness percentage of 81%; the guided inquiry learning model assisted by picture card media is effective in improving students' critical thinking skills in natural science learning (p-value 0.05); and there is a significant difference between before and after applying the guided inquiry learning model assisted by picture card media in improving students' critical thinking skills in learning natural sciences.

Penelitian ini bertujuan untuk mengetahui validitas dari hasil pengembangan modul tematik berbasis ayat-ayat al-Qur’an pada subtema indahnya keragaman budaya negeriku siswa kelas IV Madrasah Ibtidaiyah Swasta (MIS). Jenis penelitian ini adalah Research and Development (R&D). Untuk menghasilkan produk modul tematik berbasis ayat-ayat al-Qur’an, peneliti menggunakan model ADDIE dengan tahapan yaitu: (1) tahap analisis (analyze), (2) tahap perancangan (design), (3) tahap pengembangan (development). Penelitian ini dilakukan di Madrasah Ibtidaiyah Swasta (Mis) 21 Al-Manar Lamone Subjek dalam penelitian ini adalah siswa kelas IV dan objeknya adalah modul subtema indahnya keragaman budaya negeriku (tema indahnya keragaman di negeriku). Data dalam penelitian dikumpulkan melalui angket dan wawancara. Dari hasil analisis kebutuhan bahwa pendidik Madrasah Ibtidaiyah Swasta (Mis) 21 Al-Manar Lamone belum menggunakan bahan ajar berupa modul saat proses pembelajaran oleh karenanya peneliti mengembangkan dan menghasilkan modul indahnya keragaman budaya negeriku berbasis ayat-ayat al-Qur’an sebagai alat bantu dalam belajar. Modul yang telah dibuat selanjutnya divalidasi oleh 4 validator ahli diantaranya validator ahli agama, validator ahli desain, validator ahli materi, dan validator ahli bahasa. Hasil validasi kemudian dianalisis untuk mengetahui kevalidan produk dan diperoleh dari ahli agama valid, ahli desain cukup valid, ahli materi valid, dan ahli bahasa cukup valid.  Sehingga dari keseluruhan produk yang dikembangkan valid dan layak digunakan.