Silvi Rosiva Rosdiana
Program Studi Pendidikan IPA, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Islam Lamongan, Jl. Veteran No. 53A Lamongan, Indonesia

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Kemampuan Berpikir Kritis Siswa dalam Pembelajaran Inquiry-Discovery Silvi Rosiva Rosdiana
Science Education and Application Journal Vol 2, No 2 (2020): Science Education and Application Journal
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v2i2.286

Abstract

Penelitian ini bertujuan untuk mengukur pengaruh model pembelajaran inquiry-discovery terhadap meningkatnya kemampuan berpikir kritis siswa pada materi fluida statis. Penelitian dilakukan kepada siswa SMA kelas XI di kota Malang. Penelitian ini menggunakan metode quasi-experiment sebagai metode untuk melaksanakan penelitian. Hasil yang diperoleh adalah adanya peningkatan dalam kelas eksperimen lebih tinggi daripada kelas kontrol. Penelitian selanjutnya diharapkan untuk mengukur peningkatan kemampuan berpikir tingkat tinggi lainnya, seperti kemampuan pemecahan masalah untuk mengurangi miskonsepsi mereka dengan menggunakan pembelajaran yang sama.
Synthesis of Zeolite-NaY for Methane Adsorption Indri Susanti; Siska Ayu Wulandari; Silvi Rosiva Rosdiana
BERKALA SAINSTEK Vol 10 No 2 (2022)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v10i2.31356

Abstract

This research aims to synthesize zeolite-NaY material which is then applied as an adsorbent for methane adsorption. Zeolite-NaY was synthesized by hydrothermal method and characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), and isotherm adsorption-desorption N2 (BET). The characterization results showed that synthesized zeolite-NaY had a diffraction peak with the highest intensity at 2θ = 6° and its morphology showed octahedral crystals. Zeolite-NaY was then applied as an adsorbent for methane adsorption. The methane adsorption test on zeolite-NaY was carried out using the gravimetric method at temperature of 30 °C and pressure of 1 bar. The data was recorded of increasing time every 1 minute until constant. The adsorption test results showed that the methane adsorption capacity on the zeolite-NaY material was 0.436 % wt.
EFIKASI DIRI SISWA MELALUI LEMBAR KERJA PESERTA DIDIK BERBASIS TINJAUAN EMPIRIS TEORETIS Silvi Rosiva Rosdiana; Siska Ayu Wulandari; Indri Susanti; Dimas Fahmi Aisyurrahman; Anhar Setiawan
EduFisika: Jurnal Pendidikan Fisika Vol 7 No 2 (2022): Edufisika: Jurnal Pendidikan Fisika Volume 7 Nomor 02 Desember 2022
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59052/edufisika.v7i2.21298

Abstract

The same thinking or giving the exact solution when expressed by several students in open-ended questions or High Order Thinking Skills (HOTS) indicates a lack of self-efficacy. This is the background of the purpose of this study to measure self-efficacy through Student Worksheets based on empirical and theoretical reviews on static fluid materials. This study is quasi-experimental because it uses a pre-post-test control group design. Sampling will be done using a purposive sampling technique. The samples were junior high school students in one of the Lamongan districts. The results of this study indicate that the Student Worksheet based on the theoretical, empirical review can increase students’ self-efficacy. An increase in self-efficacy was observed from the average value at the time of the pre-test, 62.68%, to 71.95% at the time of the post-test. The results of these values are classified as good improvement according to the Likert scale. Self-efficacy is measured using six indicators (scientific content, problem-solving ability, laboratory usage, daily application, scientific communication, and scientific literacy). Scientific literacy indicators get the lowest average value caused by the low interest of students in learning a concept. Therefore, it is necessary to conduct further research on the relationship between student interest and self-efficacy.
Penerapan Model Problem Based Learning Dengan Metode Eksperimen Untuk Meningkatkan Pemahaman Konsep Materi Laju Reaksi Rahmad Djatmiko; Khoiro Mahbubah; Agus Santoso; Silvi Rosiva Rosdiana
SCIENING : Science Learning Journal Vol. 4 No. 2: Desember 2023
Publisher : Jurusan Pendidikan IPA FMIPA Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/slj.v4i2.8373

Abstract

Penelitian ini bertujuan untuk meningkatkan pemahaman konsep peserta didik terkait materi laju reaksi melalui penerapan problem based learning dengan menggunakan metode eksperimen. Jenis penelitian yang dilaksanakan adalah penelitian tindakan kelas yang dilakukan dengan 2 siklus. Teknik analisis data menggunakan gain score. Hasil yang diperoleh yaitu adanya peningkatan pemahaman konsep peserta didik terhadap materi laju reaksi. Rata-rata hasil pemahaman konsep peserta didik pada siklus I ke siklus II mengalami peningkatan sebesar 6,94. Berdasarkan hasil penelitian tersebut maka dapat disimpulkan bahwa telah terjadi peningkatan pemahaman konsep terkait materi laju reaksi oleh peserta didik.