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All Journal Jurnal Geliga Sains: Jurnal Pendidikan Fisika Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika
Nur Islami
Pendidikan Fisika, Universitas Riau
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics Social Sciences

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Peningkatan kemampuan berpikir kritis siswa melalui penerapan KIT listrik berbasis STEAM kontekstual Putri Rahmaddani; Fakhruddin Z; Nur Islami; Retni Khairina
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.18702

Abstract

The nation's current generation must master 21st-century skills, including critical thinking skills, to face today's world competition with rapid technological advances. This contextual STEAM-based electrical KIT aims to describe students' necessary thinking abilities and discover the differences in critical thinking abilities between the experimental and control classes. The design used in the study, namely the post-test-only control group and the type of quasi-experimental research. This study included all class IX students of SMP Muhammadiyah Kuok TA.2022/2023 as a population. A sample of 47 students consisted of class IX.1 as the experimental group and category IX.2 as the control group. Posttest critical thinking skills in dynamic electricity material comprised 12 multiple choice questions previously tested for validity and reliability as a data collection instrument. The average posttest results of students' critical thinking skills were used for descriptive analysis with SPSS version 25, and normality, homogeneity, and hypothesis tests were used for inferential analysis. This study shows that students' critical thinking skills regarding dynamic electricity material can be improved by applying contextual STEAM-based electricity KIT contextual learning. This can be seen in the average value obtained in the experimental class is better than the control class.
GEOLECTRICAL RESISTIVITY METHOD FOR DETECTING OCCURANCES OF SALTWATER INTRUSION Nur Islami
Jurnal Geliga Sains: Jurnal Pendidikan Fisika Vol. 3 No. 2 (2009)
Publisher : Program Studi Pendidikan Fisika Jurusan Pendidikan Matematika FKIP Universitas Riau

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Abstract

Lokasi kajian berada di kampong Tanjung Mas, Kelantan Utara–Malaysia. Wilayah Kelantan Utara dilapisi oleh batuan Sedimen Kuarter yang mana batuan Granit sebagai batuan dasarnya. Sistem pengairan adalah berbentuk jaringan dendritik dengan sungai utama mengalir ke Laut Cina Selatan. Survey resistivitas geolistrik dilakukan untuk mendeteksi kehadiran intrusi air garam dalam akuifer. Survey resistivitas geolistrik dibuat dengan 4 lintasan. Zona air payau yang memiliki harga resistivitas kurang dari 7 ohm.m, sangat jelas terlihat pada model inverse resistivitas dengan posisi kedalaman sekitar 22 m. Konsentrasi air payau dalam akuifer bagaimanapun juga berkurang akibat pengaruh bertambahnya jarak dari garis pantai dan juga berkurangnya jarak dari sungai.
Co-Authors Fakhruddin Z Putri Rahmaddani Retni Khairina