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Fianti Fianti, Fianti
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Journal : Physics Communication

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IMPROVING SCIENTIFIC LITERACY AND CREATIVITY THROUGH PROJECT BASED LEARNING Munawaroh, Rosyidatul; Rusilowati, Ani; Fianti, Fianti
Physics Communication Vol 2, No 2 (2018): August 2018
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.987 KB) | DOI: 10.15294/physcomm.v2i2.13401

Abstract

This research aims are to investigate the assesment of implementation of Project Based Learning in the material of Dynamic Fluid, to compare the value of scientific literacy and creativity between props group and poster group, and to analyze the relationship of scientific literacy and creativity of students. The research design used Mixed Method of Sequential Explanatory types. The sample is students of class XI-IPA SMA Muhamadiyah 3 Kayen, 25 students of the school year 2016/2017. The project in one class was divided into two, i.e. preparing props of principle and Bernoulli law, and preparing poster of principle and Bernoulli law. Students with props project was more active in scientific literacy activities and creative than student with the poster project. Based on the classical exhaustiveness test, the implementation of Project Based Learning with props project and the poster project has not been effective to improve the scientific literacy but it is effectively used to improve the creativity. The correlation test results show that there is no significant correlation between scientific literacy and creativity. Sustainable learning by making scientific approaches using scientific methods is needed to improve scientific literacy skills.
Dyeing Jumput Batik Using Clay Media From the Malo Region, Bojonegoro Henny Indah Pratiwi; Fianti Fianti; Ian Yulianti
Physics Communication Vol 7, No 2 (2023): August 2023
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v7i2.41544

Abstract

Indonesian clay, with red color type was one kind of clay with wide distribution and yet to be well managed. The clay can be used as natural coloring material as a substitute for the textile dyes. This study aims to determine the effect of soaking time on the color produced and the effect of clay solution composition on the color produced. The variable used in this research is the variation of the solution composition (1kg/ 1 L, 1kg/ 2L, 1kg/ 3L) and variation of soaking time (24 hours, 48 hours, and 72 hours). The results of the research show that on the solution composition variation obtained the most concentrated color at 1kg/ 1L solution, and at the soaking time variation obtained the most concentrated color at 72 hours with the intensity of light that can penetrate the fabric is very small.
Study of a Weather Prediction System Based on Fuzzy Logic Using Mamdani and Sugeno Methods Setyanugraha, Noval; Al Aziz, Sofyan; Harmoko, Iis Widya; Fianti, Fianti
Physics Communication Vol 6, No 2 (2022): August 2022
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v6i2.39703

Abstract

Weather is a very important factor in supporting various human activities. However, weather is a natural event that keeps on changing due to various air conditions that affect it. One way to anticipate weather changes that may occur early is to create a system that can predict weather changes. Fuzzy logic is one of the methods that can be used in system prediction to find out the cause at a certain time and place. In this system, two fuzzy logic methods were used, they are the Mamdani and Sugeno methods, with three supporting criteria, including air temperature, humidity, and air pressure. In this research, data levers were carried out in June 2022 and resulted in a percentage accuracy of 73.34% for the Mamdani method and 70% for the Sugeno method.
Recycling Surgical Mask as Acoustic Panel using Hand Lay-Up Methods Fatmala, Rita Iva; Yulianti, Ian; Fianti, Fianti
Physics Communication Vol 6, No 1 (2022): February 2022
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v6i1.33898

Abstract

The research was conducted to recycle surgical masks as acoustic panels using hand lay-up methods and to test their effectiveness in reducing noise using the tube method. The frequency used as a sound source is 495 Hz. Tests were carried out with variations in panel thickness, they are 1 cm, 2 cm, 3 cm, 4 cm, and 5 cm and three variations composite material, they are first layer, second layer and third layer of surgical mask. The panel test results show that the thicker acoustic panels are more effective in reducing noise based on the regression analysis that show the thicker panel from three variations composite material is 0.98, 0.99 and 0.96, respectively all of which are included in the very strong category. In addition, ANOVA analysis show that the thicker panels from all variation composite material respectively was 0.002, 0.001 and 0.009, they are showed the significant effect between the thickness of the panel and the effectiveness of the panel in reducing noise. Furthermore, based on the regression analysis from acoustic panels composite made of surgical masks from first layer, second layer and third layer were 8.24, 8.39 and 5.81, respectively the panel acoustic from second layer surgical masks are more effective to reduce the noise than other layer. Overall, it can be concluded that acoustic panels made of surgical masks are effective in reducing noise, as well as a solution to increasing surgical mask waste during the Covid-19 pandemic.
Analysis of Four-tier Diagnostic Test on The Topic of Temperature and Heat in High School Asih, Nur Fitri; Linuwih, Suharto; Fianti, Fianti
Physics Communication Vol 6, No 1 (2022): February 2022
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v6i1.36652

Abstract

This study aims to analyze the feasibility of the four-tier diagnostic test items given to class XI high school students. This research is a quantitative descriptive study, which collects student answer sheets as data which is then analyzed for item selection, reliability, level of difficulty, discriminating power, distractor functioning, and readability test. This research was conducted on 30 students of class XI at SMA N 1 Slawi. The results concluded that in the selection of items from the 21 questions made, there were 16 items that were suitable for use and 5 items that were not suitable for use. In the reliability of the questions obtained by the reliability value of rcount of 0.760. In the level of difficulty, there are 5 questions in the easy category, 14 questions in the medium category, and 2 questions in the difficult category. In the differentiating power, the questions in the good category are 8 questions, the sufficient category is 8 questions, and the bad category is 5 questions. In the distractor function there are 10 questions whose distractors function well and 11 questions whose distractors do not function properly. Readability test questions according to student assessment questionnaires, four-tier diagnostic test questions are categorized as good to use.
Effect of Climate Change on The Availability of River Water in The Village Kranji District Pekalongan Karimah, Naelatul; Fianti, Fianti
Physics Communication Vol 5, No 2 (2021): August 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v5i2.34442

Abstract

Water is an important need in human life which is a natural resource which must be maintained availability. Changes in the land usage and weather can cause changes in the condition of water sources. These changes can affect the availability of water. Currently the river  in Kranji Village, Kedungwuni Timur District, Pekalongan Regency, has decreased in quantity. If efforts to protect and repair the springs are not carried out, it can lead to the lost of water source. To better understand the problem of water availability in Kranji Village, East Kedungwuni District, Pekalongan Regency, it is necessary to conduct research that aims to determine the condition of water availability. The research was conducted by collecting data and information that can be used in the analysis of water availability. The data obtained in the form of secondary data, namely data from BMKG. The data were then be analyzed with the influence of climate change.  The results showed that the rainfall in the Kranji Village area from 2011-2016 experienced fluctuations in regional rainfall. In 2017-2020 the rainfall rate in the region decreased to 91.8 mm. Design rainfall data in the Kranji Village area from 2011-2020 has an average Log X of 1.972.  The amount of surface water has increased to 19% in the 10th year, reached 28.5% in the 15th year and reached 39% in the 20th year which were generated from the 2011-2020 study. Due to climate change, the mainstay flood discharge from runoff is estimated to decrease drastically, as well as rainwater that will seep into groundwater.
WATER QUALITY IN BANDENG FISH POUNDS IN LAMDINGIN VILLAGE BANDA ACEH Ulpha, Ramadhani Andrawina; Fianti, Fianti; Yulianti, Ian
Physics Communication Vol 5, No 2 (2021): August 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v5i2.33938

Abstract

The people in Lamdingin village rely on aquaculture activities as their livelihood. The commodities cultivated in the pond are milkfish, tilapia, and shrimp. Water quality conditions have a significant role in the success of fish farming. Water as a living habitat for cultivated fish must be in optimal conditions in terms of quantity and quality. Therefore, water quality is the important factor in fish farming. This study aims to determine water quality based on parameters of brightness, temperature, salinity, and pH in milkfish ponds in Lamdingin village. Sampling and measurement were carried out at 09.00 in the morning for one week. Brightness was measured using a Secci disk, the temperature was measured using a digital thermometer, salinity was measured using digital salinity, and pH was measured using a pH meter. The results showed that the brightness, temperature, salinity and pH were 27.42 cm, 28.5 0C, 30.25 ppt and 7.42, recpectively. These results meet the Indonesian National Standard (SNI).
The Effect of Surface Color on the Absorption of Solar Radiation Paminto, Joko; Fianti, Fianti; Yulianti, Ian
Physics Communication Vol 5, No 1 (2021): February 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v5i1.33885

Abstract

This research was conducted to verify the effect of the color of the object's surface on the absorption of solar radiation. The purpose of this study was to determine how the effect of surface color on the absorption of solar radiation. The activity used an acrylic box covered by stickers of various colors, placed under the sun, then measured the heat absorption of the covered liquid using a digital thermometer. The results showed that there was an effect of the color of the object's surface on the absorption of solar radiation which was indicated by the difference in the temperature increase of the covered liquid. The hypothesis can be accepted at the 95% confidence level. The order surface color of objects on the absorption level of solar heat is black, green, red, purple, yellow, pink, blue and white from the highest to the lowest.
Soil Quality Analysis for Dryland Agriculture with Variation of Fertilization and Plant Rotation in Argomulyo District, Salatiga City Nurmaya, Eka; Fianti, Fianti; Yulianti, Ian
Physics Communication Vol 6, No 1 (2022): February 2022
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v6i1.33976

Abstract

The study aim is to analyze soil quality for dryland agriculture with variations in fertilization and plant rotation in Argomulyo sub-district, Salatiga city. This study took samples on dryland agricultural land in Ledok Village by taking sample points using random sampling with a cluster sampling pattern by dividing them into 4 clusters. The Step of the research are field and laboratory observation to know the soil pH and moisture, also to determine the soil value and cation test, respectively. Next is the interview step to know the effect of fertilization and plant rotation variation. This research uses quantitative description analysis techniques. Based on the field observation was obtained the cluster 2 has pH value around 6.5 in the category slightly acidic. Then, for cluster 1,3, and has 4 neutral pH category in the range 6.6 – 7.5. The humidity of clusters in the dry category is in the range of 0 - 30%. Laboratory observation shows cluster 3 has a lower resistance around 8.1KW and has the best cation exchange capacity (CEC) test compared with other clusters. Based on the results of interviews, cluster 2 received organic fertilization and crop rotation occurred. Clusters 1 and 4 have not received any planting activity since October 2020. Meanwhile, fertilization in cluster 3 uses inorganic fertilizers. So Cluster 2 soil quality is better than the other three clusters due to organic fertilization and plans rotation so that the soil nutrients become stable. Cluster 1 has poor soil quality due to variations in inorganic fertilization, neglecting the soil, and being planted Manihot esculenta which impacted the reduction in the amount of nitrogen and phosphorus in the land.
Analysis of Physical Properties of Well Water Quality in Pasuruhan Kidul Kudus Village Fariyya, Dewi Raokhil Iklima; Yulianti, Ian; Fianti, Fianti
Physics Communication Vol 5, No 1 (2021): February 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v5i1.33886

Abstract

Water is a natural resource that is very important for human life and other creatures. Water is used to meet various needs, including bathing, drinking, cooking, and washing. This study aimed to determine the quality of healthy water in the village of Pasuruhan Kidul Jati Kudus. One of the parameters measured for hygiene sanitation is a physical parameter. Measurement of physical parameters is the first step in analyzing water quality. In this study, several physical parameters were used to determine water quality, including temperature, turbidity, color, Total Dissolved Solid (TDS), taste, smell, and pH. This research was conducted for 7 days in three different places: home, mosque, and school. The method used in this research is to analyze the water quality of wells, mosques, and schools in Pasuruan Kidul Village. The results showed that the temperature values in the three places were around 29.4-29.6°C, the turbidity of the three places was 1 NTU, the water in all places was colorless, tasteless, odorless, the value of Total Dissolved Solid (TDS) at the three places the value is around 412.8-418.4 (mg/l), and the pH is 7.4 so that the water quality in the three places is below the maximum water quality standard threshold.
Co-Authors Abu Sahmah Mohd Supaat Agus Yulianto Aji Purwinarko, Aji Al Aziz, Sofyan Amal, Mohammad Ikhlasul Anak Agung Gede Sugianthara Ani Rusilowati Asih, Nur Fitri Asmaul Husna Azizah Mutiarani Azizah Zhafirah Badrul Munir, Badrul Baiti, Upik Nur Bambang Subali Budi Astuti Budi Astuti Candra Dewi Cholis, Muhammad Ridwan Nur Darsono, Teguh Didik Aryanto Didik Aryanto Durrotun Nafisah Durrotun Nafisah Dwi Indah Lestari DWI YULIANTI Dyah Rini Indriyanti Edi, Sukiswo Supeni Edy Cahyono Effendy, Suhardi Ellianawati, Ellianawati Etik Irawati Fariyya, Dewi Raokhil Iklima Fatmala, Rita Iva Firdhosiyah, Siti Gelu, Afrianus Givarin, Delvananta Hadi Susanto Hammam, Hammam Helvi Rumiana Henny Indah Pratiwi Hidayah, Rizki Roqissatul Hidayat, Sony Husna Arifah, Husna Ian Yulianti Ian Yulianti, Ian Iis Widya Harmoko, Iis Widya J.Y. Jung K.H. Kim Karimah, Naelatul Khoiru Ainin Nisa Khumaedi - Kim, Kyoo Ho Kukuh Eka Kurniansyah Kurniansyah, Kukuh Eka Laily Nur Azizah Langlang Handayani Leonardy, Joshu Liana, Yeni Rima Luqman Hakim M.I. Amal maimanah, siti Masturi Masturi Mufatihah, Nishfa Mugi Lestari Muhammad Rasyid Ridla, Muhammad Rasyid Munawaroh, Rosyidatul Mutiarani, Azizah Nafisah Irfani Setiasiwi Neratania, Alvina Ngurah Made Dharma Putra Nisa, Narita Ainun Nugroho, Krisna Ardi NUR HAMID Nur Hamid Nurcahya, Mufid Eska Nurmaya, Eka Pakungwati, Intan Fauziyyah Paminto, Joko Prayogo, Defrian Putra, Ngurah Made Darma Putra, Ngurah Made Dharma Putut Marwoto Rachmawati, Sekar Rohim, Ahmad Minanur Rulyaimah, Rulyaimah Rumiana, Helvi S Sulhadi S.H. Lee Salim, Salisa Yumna Setyanugraha, Noval Siti Khodijah Afsas siti maimanah Sugianto - Sugianto Sugianto Sugiyanto - Suharto Linuwih Sujarwata Sujarwata Sulhadi - Sunarno Sunarno Supa’at, Abu Sahmah Mohd Supriyadi Supriyadi Susilo Susilo Sutikno Madnasri Sutikno Sutikno Swastika Ramadhanty Eka Putri Tri Mugirahayu Triwidianingsih, Novita Uding, Risnawati Ukhti Mutia Munifatuzzahroh Ulpha, Ramadhani Andrawina Upik Nurbaiti Utomo, Galih R. Utomo, Galih Ridho Utomo W. P, Wasi Sakti Wintribrata, Bunaya Hanif Yeni Rima Liana Yuliana Yuliana Zhafirah, Azizah