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ANALISIS MEDAN MAGNET ELF TERHADAP NILAI pH IKAN DALAM PROSES PENGAWETAN IKAN BANDENG (Chanos chanos) Nurhasanah Nurhasanah; Sudarti Sudarti; Bambang Supriadi
JURNAL PEMBELAJARAN FISIKA Vol 7 No 2 (2018)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v7i2.8004

Abstract

Abstract The ELF (Extremely Low Frequency) magnetic field is a spectrum of electromagneticwaves that located at frequencies less than 300 Hz and classified as non ionizingradiation. The ELF magnetic field is utilized in many case, one of them in the case offood, it is because the magnetic field can be applied to inactivate pathogenicmicroorganisms that cause food easily damaged or rotten. One of the factors in food thatcan be a reference related to microbial growth is pH (Hydrogen potential). This studyaims to determine the effect of ELF magnetic field exposure in the preservation of milkfishto the pH value. This study involved 21 samples of fresh milkfish, with the selection ofcontrol and experiment class. The experimental sample was exposed to an ELF magneticfield with an intensity of 730.56 μT and 877.37 μT with exposure time of 2 x 30 and 2 x45 minutes. pH measurement using pH meter. The result of this research is ELF magneticfield exposure affects the pH value of milkfish, which can inhibit the increment of pHvalue. The effective dose in inhibiting pH value is ELF magnetic field exposure with730.56 μT during 2 x 30 minutes. Keywords: Magnetic Field Extremely Low Frequency (ELF), Preservation, Milkfish
PENGARUH INDUKSI MEDAN MAGNET EXTREMLY LOW FREQUENCY (ELF) TERHADAP PERTUMBUHAN PIN HEAT JAMUR KUPING (Auricularia auricula) Mardika Wulansari; Rif'ati Dina Handayani; Sudarti sudarti
JURNAL PEMBELAJARAN FISIKA Vol 6 No 2 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v6i2.5018

Abstract

In this modern era, the utilization of Extremely Low Frequency (ELF) magnetic field on variety of technology is increased. This increase occurs in variety of technology like food, health, industry, communications and agriculture. One of the food that can be cultivated through the agricultural sector is ear mushroom (Auricularia auricular). This studies are aims to investigate the influence of magnetic field on ear mushroom with intensities, 100 μT, 300 μT, and 600 μT with long exposure of 10 minutes, 30 minutes, 50 minutes, and 70 minutes and determining the effective dose for the growth of heat pin mushroom. This study was using completely randomized design with one primary factor and three replications. The result showed that the magnetic field produces results fairly significant increase in heat pin mushroom growth. Result in each of the experimental class increased by the rise of magnetic field intensities with lowest growth of heat pin getting by 600 μT for 70 minute, and the day of coming up heat pin on 22,33 Hsi and highest growth of heat pin getting by control class with the day of coming up heat pin on 24,44 Hsi. Key word : Ekstremly Low Frequency (ELF), Ear Mushroom, Heat Pin
ANALISIS JENIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL FISIKA MATERI LISTRIK STATIS DI MAN 6 JOMBANG Siti juwariyah; Trapsilo Prihandono; Sudarti Sudarti
JURNAL PEMBELAJARAN FISIKA Vol 7 No 3 (2018): jurnal pembelajaran fisika
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v7i3.8589

Abstract

AbstractThis research described students error and identify the cause of the students make mistakes in solving physics problems on static electrocity. Subjects in this study were 85 students of tweleveth grade on Islamic Senior High School 6 Jombang at 2017/2018 academic period. Interviews are conducted to eight students who became a representative of each error to determine the causes of students error. The results of students error identification on the subjects, among others; translation error amounted to 42,88% which indicates that percentage of translation error include medium error category, concept error amounted to 54,51% which indicates that percentage of concept error include medium error category, strategy error amounted to 15,88% which indicates that percentage of strategy error include low error category, and arithmetic error amounted to 1,76% which indicates that percentage of arithmetic error include very low error category. The cause of the error is identified, among others; students are not accustomed to write things that are known and asked questions, students do not know the purpose of the problem, students are accustomed to answer the question of physics without converting to SI units, students do not know the formula to be used, students are a hurry to do the work, and students are not careful when answered the questions.Key Words: arithmetic error, concept error, strategy error, translation error, static electrocity
ANALISIS PERUBAHAN SUHU RUANGAN TERHADAP KENYAMANAN TERMAL DI GEDUNG 3 FKIP UNIVERSITAS JEMBER Arlik Sarinda; Sudarti Sudarti; Subiki Subiki
JURNAL PEMBELAJARAN FISIKA Vol 6 No 3 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v6i3.5329

Abstract

Most people are often doing indoor activities that they demand indoor comfort to carry out better, calmer, and comfortable activities. This study aims to assess the change of room temperature towards time in Building 3 FKIP Jember University. The research was conducted in lecture room number 35C 201, 35B 203, 35B 101, and 35E 105Building 3 FKIP Jember University. The method used was adescriptive method. Data was analyzed using One-Way Anova using SPSS 22. The results of this study indicate that the ambient temperature in the room changes by time, in general it appears that the room temperatureat 06.00 until 17.00 had a p-value (significance) <0.05, which means there is a significant temperature difference. However, there are several variables that had a p-value (significance) ≥ 0.05 that means no significant temperature difference. The average temperature measurement shows that the highest average is in room 35C 201 (28,445oC), while the lowest is in 35E 105 (27,8oC). The average temperature of the four rooms scored above optimal comfort scale, which is 28.1oC, or higher. The lowest average temperature is obtained at 06.00 WIB with 26oC and the highest average is at 13.00 that reached 29,525oC Keywords: Thermal Comfort, Effective Temperature, Lecture Room
PENGEMBANGAN MEDIA PEMBELAJARAN ULAR TANGGA BERBASIS ANDROID PADA POKOK BAHASAN GEJALA PEMANASAN GLOBAL UNTUK PEMBELAJARAN FISIKA DI SMA Indah Kurnia Nur Pratiwi Guterres; Sudarti Sudarti; Maryani m; Pramudya Dwi Aristya Putra
JURNAL PEMBELAJARAN FISIKA Vol 7 No 1 (2018)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v7i1.7225

Abstract

AbstractThis research was a developmental research. The product of this research was inthe use of an android -based snake and ladders as a learning media on the topic of globalwarming phenomenon in senior high schools. This research were developed by Borg andGall method that modified into 5 step: (1) study literature, (2) planning, (3) designing (4)validation and revision, and (5) testing media and final revision.The results showed thatthe use of an android -based snake and ladders as a learning media can be valid,practically anf effective for use. This can be seen from the validation assesment criteriagets valid with a assesment scores reached 4,552. The practically assesment showed frompercentage 93,33 % with a criteria practice indicating that the media was good for useaccording with the teacher implementation planned learning and also showed frompercentage 80,64 % with a criteria practice indicating that study activity learning washigh. The effectiveness assesment showed from improvement student learning outcomeswith the average of N-gain score was 0,73 which was in the high category.Keywords: effectiveness, practicality, android based snake and ladder, validity
PENGEMBANGAN MODUL PEMBELAJARAN FISIKA BERBASIS KONTEKSTUAL DISERTAI CERGAM MATERI LISTRIK DINAMIS SMA KELAS X Desy Nurdiasari; Sudarti Sudarti
JURNAL PEMBELAJARAN FISIKA Vol 6 No 1 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purposes of this research are to know the validity of physics learning module contextual based with characterized stories and the efektiveness of the modul. This type of research is R and D which is development by Borg and Gall (1976). The result of the research was a physics learning modul contextual based with characterized stories which was worthy to use after being validized. The first validity step was doing expert validity. The result of it was 80,86% and can be categorized as valid, or can be used with revision. The second validity step was user validity, the result it was 81,33% and can be categorized as very valid or can be used without revision. The last step was audience validity based on the result of audience vallidity , it was gotten 81,08% which said the efectivity of the modul. The result from the audience validity can be categorized as very efective, and worthy to use in teaching and learning process. Based on the result of the research, it can be concluded that physics learning module contextual based with characterized stories can use as the interesting teaching materials.
PENGEMBANGAN MODUL FISIKA BERBASIS KONTEKSTUAL PADA MATERI ALAT-ALAT OPTIK DALAM PEMBELAJARAN DI KELAS X SMAN 3 LUMAJANG Septian Ari Kususa; Sudarti Sudarti; Pramudya Dwi Aristya
JURNAL PEMBELAJARAN FISIKA Vol 6 No 2 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v6i2.4960

Abstract

The purposes of this research are to know the validity and the effectivity of physics-based contextual modules on optical tools material. This type of research is the development, use research design Borg and Gall. The initial product design phase, a module will go through two stages of validation. The first validation phase is experts’ validation and is obtained the validity of 80,66% with valid enough degree of validity. The second validation phase is users’ validation and is obtained the validity of 88% with very valid degree of validity. The next research phase is the initial testing phase, at this stage will be known the audience ratings of the module. Audience validation involved 6 student and got the validity of 84,44% with very valid degree of validity. The last research phase is the research field to determine the effectiveness of the module. The result of the research field show that the module has been declared as effective modules for students, because they have got a score of 70 as much as 94,44%. Based on the result of this study, it can be concluded that the physics-based contextual learning modules developed valid and effective to be used in teaching in schools. Key word : contextual module, optical tools.
PEMBELAJARAN FISIKA MELALUI MODEL PROBLEM BASED LEARNING (PBL) DISERTAI PETA KONSEP DI MAN 2 JEMBER (Pada Pokok Bahasan Kinematika Gerak Lurus) Daimatul Makrifah; Sudarti Sudarti; Subiki Subiki
JURNAL PEMBELAJARAN FISIKA Vol 6 No 3 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v6i3.5330

Abstract

This research aimed to assess the effect of Problem Based Learning (PBL) model with concept mapping on cognitive learning outcomes of student and learning activities of student in physic learning at MAN 2 Jember. This type of research is experimental research by post-test only control design. Population in this study were students of class X at MAN 2 Jember. The research conducted on odd semester of academic year 2016/2017. Samples were taken with cluster random sampling. The methods to collect data in this research are test, observation, interviews and documentation. The cognitive learning outcomes were obtained from control and experimental classesby the post-test. The technique of data analysis cognitive learning outcomes with independent samples t-test. The significance value (1-tailed) <0.05 is 0.0115 <0.05, it can be concluded model of Problem Based Learning (PBL) with concept mapping effect on cognitive learning outcomes of student in physic learning at MAN 2 Jember. Learning activities of student were obtained from observed. The technique of data analysis learning activities of student with independent samples t-test. The significance value (1-tailed) <0.05 is 0.004 <0.05, it can be concluded model of Problem Based Learning (PBL) with concept mapping effect on learning activities of student in physic learning at MAN 2 Jember. Keywords: Problem Based Learning model, concept mapping, cognitive learning outcomes, learning activities of student.
PENGARUH MODEL PEMBELAJARAN INKUIRI TERBIMBING TERHADAP HASIL BELAJAR FISIKA DI SMA Wildah Maulidatul Hosnah; subiki subiki; Sudarti sudarti
JURNAL PEMBELAJARAN FISIKA Vol 6 No 2 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v6i2.5020

Abstract

This research related on the influence of Guided Inquiry learning model for learning outcomes physics in SMA. The purpose of this research were: 1) to examines the significance of the effect of Guided Inquiry model on the activities of students studying physics; and 2) to examines the significance of the effect of Guided Inquiry model on the cognitive learning physics students. Kind of this research is experiment by post-test only control design. Population of this research is 10th at SMAN 1 Wongsorejo. Technique to the collection of data were: test, observation, documentation, and interviews. Technique to data analysis were: Independent-sample T-test (parametric test). The results showed that there were significant differences between student’s learning activities physics experimental class and control class with value Sig.(1-tailed) < 0.05 was 0.000. Meanwhile, the results also showed that there were significant differences between the cognitive learning physics class students experiment and control class with value Sig. (1-tailed) < 0.05 was 0.000. The research can be concluded that: (1) guided inquiry learning model significantly influence the activity of students studying physics in SMA; and (2) guided inquiry learning model a significant effect on the cognitive learning physics students in SMA. Keywords: Guided Inquiry Learning Model, Student’s Physics Learning Activities, The Cognitive Learning Physics Students.
PEMBELAJARAN MATERI ELASTISITAS DAN HUKUM HOOKE DENGAN MODEL PEMBELAJARAN GUIDED DISCOVERY DI SMA NEGERI 1 JENGGAWAH yayan mega lusiana; yushardi yushardi; sudarti sudarti
JURNAL PEMBELAJARAN FISIKA Vol 6 No 1 (2017)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The aim of this research is to study the effect of guided discovery learning model on critical thinking skills and motivation of students on learning materials elasticity and Hooke law. Learning physics in the classroom tends to be monotonous and less attractive where students are not involved directly in the find a concept, so that the students have not been motivated to active in learning. The effect critical thinking skills of students is low, because students did not experience their own facts that happened. This research is an experimental research. This research was conducted at SMAN 1 Jenggawah. The data are collected by test, questionnaire, interview, and documentation. To examine the hypothesis, this research used independent sample t-test with SPSS 22 version. According to independent sample t-test analysis in the critical thinking skills showed sig value (2-tailed) is 0,000 or < 0,05 then Ho is rejected, and for the motivation of student’s showed sig value (2-tailed) is 0,000 or < 0,05 then Ho is rejected. In conclusion, the guided discovery learning model has a significance influential to critical thinking skills and motivation of students on learning materials elasticity and Hooke law in Senior High School 1 Jenggawah
Co-Authors Adinda Nikmatul Maula Agus Abdul Gani Ahmad Nor Hamidy Ainul Kiromah Albertus Djoko Lesmono Alfrida Diftia Vestnanda Anggi Diana Pramudita Anggraini, Widia Anis Budi Rizkiyati Aprilia, Wahyuni Arien Fivadilla Arlik Sarinda Aurellya Abdillah Wijaya Putri Aurellya Abdillah Wijaya Putri Bakar, Firdaus Abu Bambang Supriadi bawazir, Fuad Cholifatur Rosidah Cindy Ferdianty Daimatul Makrifah Daulay, Nisrina Ramadhani Della Marchelia Deswita, Triana Desy Nurdiasari Desyandri Desyandri Devi Aprilia Nurvirani Dhana Suhatin Dheny Wahyudhi Dheny Wahyudi Didik Setiyadi Diva Kanaya Anggraeni Elia Novalina Elisa Putri, Dina Elsa Rahmawati Emi Ariyani Erlyn Yulia Erwin Erwin Faiqotul Himah Febriana Tri Nur Suliana Fitri Amelia Fitri Hariani Fitria, Hasparrini Ningrum Giovani, Eldytha H. Usman, H. Usman H. Usman, H. Usman Hafrida Hafrida Handoko Handoko Hartati Hartati Hasanatul Ulum Heni Ruspitasari Hernando, Riski Hildatul Zannah Hilmi Bin Abdus Salam I Ketut Mahardika Indah Kurnia Nur Pratiwi Guterres Indah Rustiawan Indrawati Indrawati Iqbal Bunga Pertiwi Ismil Ridayatun Winayah Ivan Fauzani Raharja Karina Laksmiari Khusna, Amsilatul Kukuh Dwi Sudharma L, Sahuri Lailatul Nuraini Lailatul Qomaria Lisa Listyo Wati Liyus, Herry Lubna Lubna Lusiana Candra Dewi Lya Himmatul Ilmi Mafaza Nuris Sabeta Mardika Wulansari Maryani m Maryani Maryani Maya Arsita Merry Khanza Kusuma Wardhany Naili Afkarina Nawawi, Khabib Nirsa Nindia Putri Novie Damayanti Rachman Novy Titah Nur Faizah Nurhasanah Nurhasanah Nuriman Nuriman Nurul Mega Astutik Nys Arfa Nys. Arfa Pakpahan, Jun Triono Pramudya Dwi Aristya Pramudya Dwi Aristya Putra Prastowo, Sri Handono Budi Puput Aprilia Eka Sari Putri Ma'rufiyanti Qodi, Muhammad Amin Qurrotu A’yunina Rahayu , Sri Rakhmawati, Dessy Ramadani, Atifa Awdia Rasty Sri Fadiah Restu Dwi Setiyo Utami Restu Yudistira Putri Rif’ati Dina Handayani Rikmadani, Yudi Anton Risna Maylina Rohatin Rohatin Rosdiana Afifah Rahman Sahuri Lasmadi Sahuri Lasmadi Salfa Zahroh Ahadah SAUDAH SAUDAH Septian Ari Kususa Shanti Dewi Agustina Sherly Laili Shofira Amatullah Simatun Ni'mah Singgih Bektiarso Sinta Nuriyah Siregar, Elizabeth Siregar, Tania Tri Dewi Siswi Fidayasari Siti Juwariyah Sri Astutik Sri Septi Dyah Pratiwi Sri Wahyuni Sri Yuliastutik Subiki Subiki Sugiyanto Sugiyanto Sutikno Sutikno Sutoto, Sukamto Syamsul Hadi Syamsul Ph.D M.A. Hadi Trapsilo Prihandono Usman Usman Wahyu Ari Nurdiana Wahyuni Aprilia Wildah Maulidatul Hosnah Yadi, Insya yayan mega lusiana Yuli Yan Tika Yuliske Yuliske Yushardi Yushardi Yushardi Yushardi Zainal Arifin Zainal Arifin Zepyra Damayanti Zidan Afidah