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All Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) JURNAL FIRNAS
Tika Yuli Yanti
Universitas Jambi
Agriculture, Biological Sciences & Forestry Chemistry Education Physics

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Pembelajaran Kolaboratif Berbasis Guided Inquiry melalui Lesson Study pada Materi Listrik Dinamis Cindy Aulia Phadila; Challilullah; Andinie Novrida Ramadhani; Tika Yuli Yanti; Iqbal Kurniady; Nova Susanti; Neneng Lestari
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 3 (2026): August (Inpres)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i3.1853

Abstract

Physics learning on dynamic electricity material still faces problems related to low student participation and collaborative skills during the learning process. This study aims to describe the implementation of lesson study in collaborative learning using the guided inquiry model on dynamic electricity material to improve students’ collaborative skills. The study employed a quantitative descriptive approach involving 17 Physics Education students divided into four learning groups. The lesson study activities were carried out through three stages, namely plan, do, and see. The research instrument consisted of an observation sheet of collaborative skills with 15 assessment indicators using a 1–4 scale. The data were analyzed using quantitative descriptive techniques in the form of percentages. The results showed that the average collaborative skill of students reached 71.57% in the good category. The highest indicators were found in helping peers and open communication, while the lowest indicator was providing support to group members. The implementation of the guided inquiry model through practicum activities increased students’ activeness, interaction, and cooperation during the learning process. Therefore, the integration of lesson study and guided inquiry-based collaborative learning is effective in improving students’ collaborative skills in physics learning, especially on dynamic electricity material.
EKSPERIMEN PENENTUAN CEPAT RAMBAT BUNYI DI UDARA DENGAN ALAT PRAKTIKUM PADA DUA UKURAN PIPA Kristina Kristina Neftalia Sihombing; Tika Yuli Yanti; Jeliana Veronika Sirait
JURNAL FIRNAS Vol. 7 No. 1 (2026): Volume 7
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/jurnal firnas.v7i1.11221

Abstract

Abstract: The design of this sound resonance lab tool was made to compare the speed of sound propagation in the air in two types of pipes, namely small and large diameter pipes. The working principle of the tool is based on the resonance phenomenon that appears when the pipe is dipped in water, then the length of the air column that produces harmonic tones is sought using a frequency generator application at 1250, 1500, and 1750 Hz. The simple and easy-to-use tool design helps expedite the experimental process. From the results of the experiment on a small pipe, for frequencies of 1250, 1500, and 1750 Hz, the length of the air column was obtained as 13.603 cm, 11.33 cm, and 9.73 cm, respectively, with sound speeds of around 340, 340, and 340.5 m/s. In the large pipe, the results were almost the same: air column lengths of 13.6 cm, 11.34 cm, and 9.73 cm with sound speeds of 340, 340, and 340.5 m/s, respectively. From all these measurements, it can be concluded that there is no significant difference between the small and large pipes. The pattern of the relationship between frequency and air column length also remains the same, namely, the higher the frequency, the shorter the length of the resonating air column. Meanwhile, the speed of sound in air remains in a constant range, namely between 340 and 340.5 m/s.
Co-Authors Andinie Novrida Ramadhani Challilullah Cindy Aulia Phadila Iqbal Kurniady Jeliana Veronika Sirait Kristina Kristina Neftalia Sihombing Lestari, Neneng Nova Susanti