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Phenomenon : Jurnal Pendidikan MIPA
Published by Universitas Islam Negeri Walisongo Semarang
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education,
Chemistry Education Mathematics Physics
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Articles 448 Documents
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ANALISIS PENGARUH VARIASI FRAKSI VOLUME TERHADAP KEKUATAN TARIK BAHAN KOMPOSIT POLIESTER DENGAN FILLER ALAMI SERABUT KELAPA MERAH nurhayati, alwiyah
Phenomenon : Jurnal Pendidikan MIPA Vol. 1 No. 1 (2011): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2011.1.1.450

Abstract

Serabut kelapa (cocofiber) adalah satu serat alam yang me- miliki prospek yang cukup baik, dimana pengolahannya masih belum banyak dilakukan atau ditangani dengan baik, sehingga tidak dimanfaatkan secara optimal. Serabut kelapa yang dikom- binasikan dengan resin poliester sebagai matriks akan dapat menghasilkan komposit alternatif untuk aplikasi struktural. Preparasi spesimen awal meliputi pemotongan serat kelapa sepanjang 2 cm, pencampuran poliester dan serabut kelapa den- gan variasi fraksi volume serabut kelapa 1%, 2% dan 3%, dan pencetakan spesimen sesuai dengan standar uji tarik. Dari hasil pengujian didapatkan kekuatan tarik tertinggi pada spesimen dengan fraksi volume 3% yang memiliki tegangan 28 MPa dan regangan 0.027, modulus elastisitas 1027.523 MPa. Spesimen dengan fraksi volume 2% mempunyai tegangan 22 MPa dan re- gangan 0.027 pada komposit dengan modulus elastisitas sebesar 807.339 MPa. Spesimen denganl fraksi volume 1% mempunyai tegangan 20.4 MPa dan regangan 0.032 dengan modulus elatisi- tas sebesar 623.558 MPa.
PEMANFAATAN LABORATORIUM VIRTUAL DAN E-REFERENCE DALAM PROSES PEMBELAJARAN DAN PENELITIAN ILMU KIMIA nirwana, ratih rizqi
Phenomenon : Jurnal Pendidikan MIPA Vol. 1 No. 1 (2011): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2011.1.1.451

Abstract

Teknologi informasi dan komputer telah berkembang sedemikian pesatnya, dan memiliki pengaruh yang luar biasa. Namun, kedua teknologi tersebut masih kurang pemanfaatannya di dunia pendidikan di Indonesia. Me- lalui laboratorium virtual proses pembelajaran menjadi lebih menarik, lebih interaktif, jumlah waktu mengajar dapat dikurangi, kualitas belajar dapat ditingkatkan dan proses belajar mengajar dapat dilakukan di mana saja dan kapan saja. Selain itu, melalui laboratorium virtual, bisa dilakukan penghematan biaya riset, serta riset-riset yang dahulu tidak mungkin dilakukan, karena keterbatasan pengkondisian sistem. Sedangkan E-references bisa digu- nakan bersinergi dalam mengatasi kelemahan laboratori- um virtual yaitu kurangnya kemampuan dalam mengatasi masalah.
Students' Mathematical Literacy Ability in Comparative Material Viewed from Students' Reasoning Ability Utami, Namira Putri; Purwati, Heni; Aini, Aurora Nur
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.11887

Abstract

AbstrakPenelitian ini bertujuan untuk mendeskripsikan kemampuan literasi matematika pada materi perbandingan berdasarkan kemampuan penalaran siswa. Metode penelitian yang digunakan yaitu deskriptif kualitatif dengan sampel siswa kelas VII G SMP Negeri 1 Bodeh yang dipilih dengan cara purposive sampling. Subjek penelitian sebanyak 6 siswa dengan 2 siswa yang memiliki kemampuan penalaran tinggi, 2 siswa yang memiliki kemampuan penalaran sedang, dan 2 siswa yang memiliki kemampuan penalaran. Instrumen utama dalam penelitian ini adalah peneliti sendiri dan instrumen pendukung yang digunakan adalah soal tes dan pedoman wawancara. Teknik pengumpulan data yang digunakan dalam penelitian ini yaitu dengan tes, wawancara, serta dokumentasi untuk mengabadikan hal-hal penting yang berkaitan dengan penelitian. Teknik analisis data dilakukan dengan 3 tahapan yaitu reduksi data, penyajian data, dan penarikan kesimpulan. Teknik pemeriksaan keabsahan data menggunakan triangulasi sumber. Hasil penelitian menunjukkan bahwa siswa dengan kemampuan penalaran tinggi berada pada level 5 kemampuan literasi matematis, siswa dengan kemampuan penalaran sedang berada pada level 4 kemampuan literasi matematis, dan siswa dengan kemampuan penalaran rendah berada pada level 2 kemampuan literasi matematis. AbstractThis study aims to describe the ability of mathematical literacy in comparative material based on students' reasoning ability. The research method used was descriptive qualitative with a sample of grade VII G students of SMP Negeri 1 Bodeh selected by purposive sampling. The research subjects were 6 students with 2 students who had high reasoning ability, 2 students who had medium reasoning ability, and 2 students who had reasoning ability. The main instruments in this study are the researchers themselves and the supporting instruments used are test questions and interview guidelines. The data collection techniques used in this study are tests, interviews, and documentation to capture important matters related to the research. Data analysis techniques are carried out in 3 stages, namely data reduction, data presentation, and drawing conclusions. The technique of checking the validity of the data uses source triangulation. The results showed that students with high reasoning ability are at level 5 mathematical literacy ability, students with medium reasoning ability are at level 4 mathematical literacy ability, and students with low reasoning ability are at level 2 mathematical literacy ability.
The Using Natural Phenomenon Video In The Science Learning On Junior High School Student’s Scientific Creativity Aninnas, Afina; Supeno, Supeno; Wicaksono, Iwan
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.11942

Abstract

Tujuan penelitian ini adalah mengkaji pengaruh dan peningkatan pemanfaatan video fenomena alam terhadap kreativitas ilmiah siswa. Penelitian eksperimen ini menggunakan desain penelitian eksperimen quasi dengan rancangan nonequivalent control-group design. Instrumen penelitian berupa tes kreativitas ilmiah yang hasilnya dianalisis menggunakan uji N-Gain dan independent sample t-test. Berdasarkan hasil uji N-Gain, diperoleh peningkatan kreativitas ilmiah pada kelas eksperimen dalam kategori sedang dan pada kelas kontrol dalam kategori rendah. Hasil uji hipotesis menunjukkan perbedaan nilai yang signifikan antara kelas control dan eksperimen. Kesimpulan yang dapat diambil bahwa pemanfaatan video fenomena alam dalam pembelajaran IPA materi lapisan bumi dapat meningkatkan kreativitas ilmiah siswa dalam kategori sedang serta berpengaruh signifikan terhadap kreativitas ilmiah siswa MTsAbstract The purpose of this study was to examine the effect and increase in the use of videos of natural phenomena on students' scientific innovation. This experimental study used a quasi-experimental research design with a nonequivalent control-group design. The research instrument was a scientific creativity test, the results of which were analyzed using the N-Gain test and independent sample t-test. Based on the results of the N-Gain test, there was an increase in scientific creativity in the experimental class in the medium category and in the control class in the low category. The results of the hypothesis test showed a significant difference in values between the control and experimental classes. The conclusion that can be drawn is that the use of videos of natural phenomena in natural science learning for earth layer material can increase students' scientific creativity in the medium category, which has a significant effect on scientific innovation of junior high school students.
STEM-Based LKPD Development and Contextual Problems to Improve Explanation, Concluding, and Evaluating Skills Kiswari, Lusinta; Singgih, Suwito; Muhlisin, Ahmad
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.12061

Abstract

One comprehensive and integrated learning approach is the STEM approach. This approach can improve students' critical thinking skills if supported by teaching materials, one of which is LKPD. This study aims to produce a valid, practical, and effective STEM-based LKPD product to improve students' critical thinking skills. The method used in this study is the research and development method. A validity test has been carried out consisting of a product validity test that is declared valid and suitable for use with a percentage of 80.9%. Practicality tests conducted by teachers obtained an average result of 83% and students of 87%. The effectiveness test is carried out with an n-gain test and an effect size test. Each of them obtained a result of 0.68 in the medium category and 2.7 in the high category. So, it can be concluded that STEM-based LKPD is effective in improving students' critical thinking skills.
The Effect of STEM-Fishbone diagram Learning on Critical Thinking Ability and Self-Efficacy: A Study on High School Students Puspita, Laila; Hidayah, Nur; Puspitasari, Neneng; Komarudin, Komarudin
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.12230

Abstract

The purpose of this study was to determine the effect of STEM-fishbone diagram learning on critical thinking skills and self-efficacy of high school (SMA) students. This type of research is Quasi-Experimental Design. The population in this study were all students of class XI SMA Al-Kautsar Bandar Lampung. The sampling technique used cluster random sampling, obtained class XI MIPA 5 (experimental class) and class XI MIPA 7 (control class). The collection technique used is in the form of tests and questionnaires. The research instrument used was a test of the ability to think critically and self-efficacy. The technique uses the MANOVA test. The results of the study stated that there was an influence of STEM-fishbone diagram learning on the critical thinking skills and self-efficacy of high school students in Bandar Lampung, besides that it was also known that there was an influence of STEM-fishbone diagram learning on the critical thinking skills of high school students in Bandar Lampung and there was an influence on learning STEM-fishbone diagram on self-efficacy of high school students in Bandar Lampung.
Creative Thinking And Collaboration Skills: Improved Learning With The CORE Model Of Biology Subjects haka, nukhbatul bidayati; Arifiana, Mifta; Ningrum, Mivtha Citra; Astuti, Yuni; Hidayah, Nur
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.12359

Abstract

This study aims to determine the improvement of creative thinking skills and collaboration skills by using the Connecting, Organizing, Reflecting, and Extending learning model in class XI IPA SMAN 1 Sukoharjo students. This research is quasi-experimental research using a pretest-posttest control group design. Collecting data using creative thinking and collaboration skills tests for students of class XI IPA SMAN 1 Sukoharjo. Samples were taken using the Cluster Random Sampling technique consisting of class XI IPA 2 and XI IPA 3. This study was tested using the MANOVA test. Data analysis shows significant results which means that there is an increase in creative thinking skills and collaboration using the Connecting, Organizing, Reflecting, and Extending learning model I in biology subjects
Development of Rocky E-Module Wolfram Mathematica to Improve Students' Critical Thinking Skills Dewi, Grahita Sukma; Nizaruddin, Nizaruddin; Murtianto, Yanuar Hery
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.12680

Abstract

Kemampuan berpikir kritis perlu untuk dikembangkan dan ditingkatkan karena merupakan keterampilan yang harus dikuasai di abad 21. Namun pada kenyataannya, kemampuan berpikir kritis masih rendah. Hal ini didukung oleh beberapa penelitian yang menyebutkan bahwa tingkat kekmampaun berpikir kritis siswa di Indonesia masih tergolong rendah. Dalam penelitian ini bertujuan untuk mengembangakn suatu media pembelajaran berupa e-modul berbantuan wolfram mathematica yang layak (valid) digunakan dan mnegetahui tingkat efektivitas e-modul tersebut. Penelitian ini menggonakan model pengembangan ADDIE dengan tahapan analisys, design, development, implementation, evaluation. Media yang dikembangkan sebelum diuji cobakan divalidasi oleh validator ahli media dan ahli materi dengan hasil penilaian ahli media sebesar 84% dengan kategori “Sangat Baik” dan hasil penilaian ahli materi sebesar 88% dengan katagori “Sangat Baik” dengan artian e-modul layak (valid) digunakan dalam proses pembelajaran. Dari hasil uji coba penggunaan e-modul dapat disimpulkan bahwa e-modul efektif dalam meningkatkan kemampuan berpikir kritis siswa dilihat dari ketuntasan belajar siswa ≥ 75%, hasil belajar kelas eksperimen lebih baik dari kelas kontrol, dan terjadi peningkatan kemampuan berpikir kritis yang dihitung menggunakan uji N-Gain AbstractCritical thinking skills need to be developed and improved because it is a skill that must be mastered in the 21st century. But in reality, critical thinking skills are still low. This is supported by several studies which state that the level of critical thinking skills of students in Indonesia is still relatively low. This study aims to develop a learning media in the form of an e-module assisted by tungsten mathematica that is feasible (valid) to be used and to know the level of effectiveness of the e-module. This study uses the ADDIE development model with the stages of analysis, design, development, implementation, evaluation. The media that was developed before being tested was validated by media expert validators and material experts with the results of the media expert assessment of 84% in the "Very Good" category and the results of the material expert assessment being 88% in the "Very Good" category, meaning that the e-module is feasible (valid). ) is used in the learning process. From the results of trials using e-modules, it can be concluded that e-modules are effective in improving students' critical thinking skills seen from students' learning mastery 75%, experimental class learning outcomes are better than control classes, and an increase in critical thinking skills is calculated using the test N-Gain
Critical Thinking of Prospective Teachers In Solving Math Problems In Terms of Learning Styles Cahyono, Budi; Rohman, Ahmad Aunur; Setyawati, Rina Dwi
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.13349

Abstract

This study aims to identify how the process of critical thinking of prospective teachers in solving mathematical problems in the Department of Mathematics Education, Faculty of Science and Technology, Walisongo State Islamic University, is viewed from a qualitative learning style. The purposive sampling method was used to determine six prospective teachers as research subjects. Each visual, auditory, and kinesthetic learning style is represented by 2 subjects. The auxiliary instruments in this study consisted of a learning style questionnaire, a critical thinking ability test, and an interview guide. Critical thinking indicators were developed through consideration of the main elements of FRISCO, the level of cognitive thinking according to Bloom and the Steps of Problem Solving According to John Dewey. Data processing through the stages of data collection, data reduction, and data verification with the triangulation method. The results of the study show that auditory and kinesthetic learning styles have lower critical thinking process characteristics than visual learning styles in solving math problems. From the interview process it was revealed that the ability to argue based on valid and logical facts, all types of learning styles is still quite low. However, all three have strong potential to develop critical thinking skills through stimulation from educators.
Academic Procrastination, Self-Efficacy, and Task Value of Pre-Service Biology Teacher During Online Learnings Astutik, Fuji; Bukhori, Baidi; Rahmatika, Rizqi
Phenomenon : Jurnal Pendidikan MIPA Vol. 12 No. 2 (2022): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2022.12.2.13481

Abstract

Academic procrastination, frequently linked to low self-efficacy and poor assignment performance, is more likely to occur when learning online. This study aims to reveal the level of academic procrastination, self-efficacy, and assignments by semester, areas of academic procrastination, and reasons for delaying assignments, as well as the relationship between academic procrastination, self-efficacy, and task value. This study uses a quantitative approach through a cross-sectional exploratory study. The sample in this study was semester 1, 3, 5, and 7 students who were taken through a stratified random sampling technique. Utilizing the survey method was the data collection methodology. The level of students is described using frequency distribution descriptive data. To use regression analysis to explain the connection between academic procrastination, self-efficacy, and task value. The reasons for procrastination were analyzed qualitatively. According to the findings, pre-service biology teachers who participated in online learning exhibited moderate levels of academic procrastination (37.8%), self-efficacy (39.1%), and task value (29.9%). More than half of the pre-service biology teachers polled stated they would prefer to postpone doing summaries of four pages of foreign language homework over twelve pages of Indonesian homework. Compared to creating a summary of the subject, more than half of biology education students said they would rather put off making a mind map. Reasons for postponing assignments varied among students. Furthermore, in academic procrastination, there is a negative simultaneous association between self-efficacy and task value.

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