The aims of this study is to measure the effect of the inquiry-discovery learning model on the improvement of students' critical thinking in static fluid material. The study was conducted on medium grade senior high school in the city of Malang. This study method was used a quasi-experimental. As a result, there was an increasing critical thinking skill in the experimental class than the control class. For the next study, measure the increasing in another high order thinking skills like focuses on the problem solving students' skill to reduce their misconception with using the same learning is the good expectation.
<p class="Abstrak"><strong>Abstract:</strong> Static fluid is one of the daily life applied concept. When learn about static fluid, students needs the Critical Thinking Skills. This research was aimed to measure students’ Critical Thinking Skills on static fluids concept. This study was conducted to 11th grade students in Senior High School. The measurement methods used the Critical Thinking Assessment Test (CAT). The analysis was carried out by looking at the CTS average score. The result of the study indicate that the CTS are still relative medium. The lowest skill was found in the skill category to make a conclusion as a problem solution. Misconception became one of the low students’ CTS factor. Further research is needed to find out how to reduce misconceptions in order to enhance the students’ CTS.</p><strong>Abstrak:</strong> Fluida statis merupakan salah satu konsep yang sering dipakai dalam kehidupan sehari-hari. Dalam mempelajari fluida statis, siswa di sekolah membutuhkan penguasaan Kemampuan Berpikir Kritis. Penelitian ini bertujuan untuk mengukur Kemampuan Berpikir Kritis siswa pada materi fluida statis. Penelitian ditujukan kepada kelas XI SMA. Metode pengukuran menggunakan tes penilaian kemampuan berpikir kritis. Analisis dilakukan dengan melihat nilai rata-rata KBK. Hasil penelitian menunjukkan adanya hasil KBK yang tergolong sedang. Kemampuan paling rendah terdapat pada kategori kemampuan merumuskan masalah. Rendahnya kemampuan tersebut disebabkan oleh adanya miskonsepsi pada siswa. Diperlukan penelitian lanjutan untuk mengetahui bagaimana cara mengurangi miskonsepsi agar Kemampuan Berpikir Kritis siswa dapat berkembang dengan baik.
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.
Pemikiran yang sama atau pemberian solusi yang sama persis ketika dinyatakan oleh beberapa siswa pada pertanyaan terbuka atau yang bersifat High Order Thinking Skill (HOTS) mengindikasikan kurangnya kepercayaan diri (self-efficacy) pada mereka. Hal tersebut melatarbelakangi tujuan dari penelitian ini untuk mengukur self-efficacy melalui Lembar Kerja Siswa (LKPD) berbasis tinjauan empiris dan teoretis pada materi fluida statis. Penelitian ini berjenis quasi-experiment karena menggunakan pre-post-test group design. Pengambilan sampel yang akan dilakukan menggunakan teknik purposive sampling. Sampel yang diambil adalah siswa Sekolah Menengah Pertama (SMP) di salah satu Kabupaten Lamongan. Hasil penelitian ini menunjukkan bahwa LKPD berbasis tinjauan empiris teoretis yang digunakan dapat meningkatkan self-efficacy siswa. Peningkatan self-efficacy teramati dari nilai rata-rata pada saat pre-test 62,68% menjadi 71,95% pada saat post-test. Hasil nilai tersebut tergolong dalam peningkatan yang baik menurut skala Likert. Pengukuran self-efficacy diukur melalui enam indikator yang berbeda (konten sains, kemampuan pemecahan masalah, kemampuan laboratory usage, penerapan dalam keseharian, komunikasi sains, dan literasi ilmiah). Indikator literasi ilmiah memperoleh nilai rata-rata terendah yang disebabkan oleh rendahnya minat siswa dalam mempelajari suatu konsep. Oleh karena itu, perlu dilakukan penelitian lanjutan tentang analisis hubungan minat siswa dengan self-efficacy siswa.
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