NEED ANALYSIS IN THE DEVELOPMENT OF MINI RESEARCH-BASED GENERAL PHYSIOLOGY LEARNING SETS

The general physiology course prepares prospective junior high school science teachers to master the content and science process skills. Skills used to acquire or apply science concepts, laws, theories including mental, physical and social skills are called science process skill. Science process skill is the basis for making rational and correct decisions about controversial issues. Science learning, including at the Junior High School level, should ideally not only be memorized knowledge but also a research process using science process skills, so that students are able to gain science knowledge from new phenomena in nature. To improve the students’ science process skills, the learning sets used by lecturers should be implemented effectively, so it is necessary to analyze the needs of learning sets. The research aims to explain the need analysis in the development of mini research-based general physiology learning sets. The research method used is a qualitative study with the data analysis technique of the Miles Huberman Model. This research was conducted in January 2022 at the Science Education Study Program, Faculty of Teacher Training and Education, University of Sultan Ageng Tirtayasa, Indonesia. Need analysis of learning sets includes needs in the aspects of students, concepts, assignments, and learning objectives. Needs analysis results are learning sets for general physiology based on mini-research suitable for improving the science process skills of prospective science teachers. Comprehensive and truly needs analysis can apply to the next stage of research and development. It can be concluded that the development of mini research-based general physiology learning sets should be conducted according to the findings of need analysis

THE ETHNOSCIENCE OF BREM IN WONOGIRI AND ITS INTEGRATION IN SCIENCE LEARNING: AN EXPLORATORY STUDY

The educational paradigm has tried to create a quality of education that is in line with current developments but still does not forget the character of students and the local wisdom culture of the local area. The relationship between culture and the application of science in society is studied using an ethnoscience approach. The ethnoscience approach in science learning is an approach that is expected to help students think critically and explore phenomena that occur in the environment around them. This study aims at 1) Exploration of making “brem” in Wonogiri Regency; 2) Integrating Ethnoscience in the “brem” manufacturing industry in the Basic Competencies of Elementary School Science Learning. The study was included in qualitative methods of ethnographic design by determining both material and formal research objects. Research data was collected through interview techniques, observation and documentation of primary and secondary data. Through inductive data analysis techniques with data reduction processes and data presentation, it is assumed that reliable conclusions can be drawn. The research results show that the process of making “brem” goes through many processes and stages. The process of making Wonogiri “brem” applies science knowledge which can be compared with scientific expert statements. In conclusion, the process of making g of Wonogiri “brem” has gone through a scientific process, both chemical and biological reactions. Another conclusion is that process of making “brem” can be integrated as meaningful teaching material for students in several Basic Competencies in science lesson content for grades 3 and 5 of elementary school

GAME-BASED LEARNING MEDIA AND ITS EFFECT TOWARD STUDENTS’ LEARNING ACHIEVEMENT

This study aims to determine the effect of game-based learning media toward students’ learning achievement. The game-based learning media implemented during this study was Quizziz. This research design used a Non-equivalent control group design with Quasi Experiment method. The research sample comprised 20 students, ten from class XI MIPA 5 as an experimental class and ten from class XI MIPA 6 as a control class. The research instrument is a learning achievement test in the form of a pretest and posttest with as many as 15 questions numbers. Based on the game-based learning media analysis result, it shows that implementing learning using Quizizz game-based learning media is better than conventional learning methods. It can be seen from the calculation of the quizizz game media t-test shows that the sig t count is 0.000 0.05, then H1 is accepted, and H0 is rejected. The results of the score analysis averaged the completeness of the experimental class reached 76.40 with high criteria, while the conventional learning method in the control class of 65.90 with medium criteria. All in all, game-based learning media is proved that it affects in the students’ learning achievement on digestive system topic

MACRONUTRIENT ANALYSIS OF ORGANIC FERTILIZER FROM THE MIXTURE OF Casuarina equisetifolia LEAF LITTER AND Ananas comosus RIND WASTE WITH EFFECTIVE MICROORGANISM BIOACTIVATOR

This study aims at analyzing macronutrients of organic fertilizer from the mixture of Casuarina equisetifolia leaf litter and Ananas comosus rind waste with effective microorganism bioactivator. Research on making and analyzing the nutrient content of organic fertilizers has been carried out using a mixture Casuarina equisetifolia leaf litter and Ananas comosus rind waste which consists of three variations of the composition with two repetitions. The process of making compost is conducted by mixing small pieces of pineapple litter and rind and mixed with effective microorganism (EM4) in a container. The composting process occurs for a maximum of 31 days based on the temperature measurement of the fertilizer. In the degree of acidity test using digital pH meter, it shows that the pH level is classified as acidic, the pH variations of the fertilizer P0U1, P0U2, P1U1, P1U2, P2U1, and P2U2 are 5.029 respectively; 5,026; 4,934; 4,047; 5,452; and 4,551. The results of the analysis of the elemental nitrogen content (%) of various fertilizers P0U1, P0U2, P1U1, P1U2, P2U1, and P2U2 were 0.27; 0.38; 0.39; 0.41; 0.36; and 0.39. The results of the C-organic element analysis (%) were 25.87; 29.12; 35.58; 30.77; and 29.66. The phosphorus content (%) obtained was 0.147; 0.137; 0.138; 0.136; 0.139; and 0.142. Potassium content (%) of 0.32; 0.25; 0.56; 0.78; 1.23; and 1.79. The C / N ratio of each fertilizer variation was sequential, namely 95.81; 76.63; 83.23; 86.78; 85.47; and 76.05. The analysis parameters for C, P, and K show conformity with the National standard provisions

DETERMINATION OF ASCORBIC ACID CONCENTRATION IN MYRTACEAE USING THE IODOMETRIC TITRATION METHOD

Vitamins are essential compounds in food even though the content contained in these foods is small, and this is because vitamins have a vital role in the human body. Vitamin C or ascorbic acid is a secondary antioxidant compound that captures free radical compounds. Vitamin C content is easily found in vegetables and fruits. One of the fruits that contain vitamin C is guava. This study aims to determine and analyze vitamin C concentrations in several guava fruit types with the iodometric titration method. This type of research is a quantitative-qualitative experimental laboratory. The samples used in this study were guava in Myrtaceae family consisting of red guava (Psidium guajava L.), crystal guava (Psidium guajava L.), and red water guava (Syzygium aqueum). The study began with making 0.05 N iodine, iodine formation, then the 3% amylum indicators. The average sample content of red guava, crystal guava, and red water guava was 2.42 mg/100 grams. To conclude, the ascorbic acid concentration of red guava water is higher at 157 mg/100 g compared to the other two guavas, which are 80 mg/100 g and 87 mg/100 g

ASSESSMENT OF PROBLEM-SOLVING SKILLS IN THE TOPIC OF ENVIRONMENT: ITS VALIDITY AND RELIABILITY

This study aims to determine the validity and reliability of the instrument for assessing problem-solving skills in the topic of environment. This research includes in a research and development of test instruments with the ADDIE model, namely analysis, design, development, implementation, and evaluation. The instrument that had been made was then tested on 31 students at the Islamic Boarding School of Jagad 'Alimussirry, Surabaya. The data were analyzed for its validity and reliability. The validity was measured using the Pearson product-moment correlation coefficient test. The reliability test used Cronbach's alpha test. The results of the study show that all items are valid and reliable in the high category. The percentage of eligibility from experts (material experts, education experts, and education practitioners) is 89% with a very decent category so this instrument is declared suitable to be used to measure problem-solving skills. This instrument contains five stages of problem-solving, namely identifying problems, determining solutions, planning solutions, implementing solutions, and evaluating the results of problem-solving. The problems identified consist of two kinds, namely social problems and physical problems in Islamic boarding schools. To conclude, the problem-solving skills assessment can be used by students to improve the abilities in analyzing problems

SCREENCAST AND ITS EFFECT ON IMPROVING LEARNERS’ ACADEMIC ACHIEVEMENT AND MOTIVATION IN PHYSICS

Screencasts are multimedia-based learning which involves multimodal sensory, such as eyes and ears. These are increasingly used as schools transition to blended learning mode. This study aims to describe the screencast and its effect on improving learners’ academic achievement and motivation in Physics. This quasi-experimental research determined learners’ academic achievement and level of motivation before and after treatment to screencasts focusing on heat, temperature, and electricity. The study was done in a large public secondary school in a highly urbanized city in the central Philippines. Academic achievement was measured through a constructed test while the level of motivation was evaluated using Keller’s Instructional Materials Motivation Survey. Results showed that screencasts improved the learners’ academic achievement and increased their level of motivation. The use of screencast has a good impact on changing learners' knowledge and skills and is an effective online learning media. Findings also obtained a p-value of 0.00 which showed that there is a significant difference in the learner’s academic achievement before and after treatment to screencast. This study discovered that learning using screencasts is engaging to the learners. The screencast provided the learners with the opportunity to learn at their pace and brought them better learning experiences

ADSORBENT SYNTHESIS FROM Penaeus monodon CHITOSAN AS COPPER ABSORPTION IN ELECTROPLATING LIQUID WASTE

Chitosan in Penaeus monodon is a chitin compound removed from the acetyl group leaving a polysaccharide amine group and is polycationic through the chitin deoxidation process. The purpose of this study was to identify the potential use of chitosan adsorbent from Penaeus monodon (Chi-ShSW) on decreasing levels of copper (Cu) in electroplating industrial wastewater and to analyze the effect of variations in flow rate using chitosan adsorbents on reducing levels of copper (Cu) in electroplating industrial sewage. Chi-ShSW can be an adsorbent to reduce Cu (II) metal ions in the Metal Coating Industry wastewater. The adsorption test was carried out with a continuous flow system with different debits. The highest reduction in Cu waste in the study occurred at a flow rate of 215 ml/minute with a time of 84 minutes with a Cu content in the Metal Coating Industry wastewater of 1.227 mg/l and a reduction efficiency of 75.86%. The utilization of chitosan from Penaeus monodon was successfully synthesized as an adsorbent for the wastewater treatment of the metal coating industry. It can be concluded that Penaeus monodon can be used as an adsorbent to degrade Cu(II) metal ions contained in electroplating wastewater

IMPLEMENTATION OF STAD-BASED LEARNING MODEL IN IMPROVING STUDENTS’ LEARNING OUTCOMES

This research was conducted with the aim of increasing student learning outcomes using the STAD learning model on the topic of human digestive system at Payeti Christian Middle School. This research is included in a Class Action Research designed by the Khemis Mc Tanggart model for this study which consists of cycle I and cycle II. Of the four stages, namely planning, implementation, observation, and reflection. The research subjects were 28 grade VIII students. The results showed that the application of the student teams achievement divisions model could improve student learning outcomes in science subjects at Payeti Christian Middle School. The enhancement of students’ learning achievements can be seen from the pre-cycle, cycle I, and cycle II through the learning carried out. This enhancement of student learning outcomes in the cognitive domain at the pre-cycle stage average value of 47.8 cycle I average value of 72.2, experienced an increase in cycle II average value of 80%. In the psychomotor aspects of the first cycle, the average value is 75, with a percentage of 80%. Meanwhile, the psychomotor aspects of cycle II averaged 89.75 with a percentage of 94%. Thus, it can be concluded that the implementation of the student teams achievement divisions model can improve student learning outcomes in biology subjects on the topic of the human digestive system at Payeti Christian Middle School

ANALISIS RESPON MAHASISWA TERHADAP PENGGUNAAN E-MODUL INTERAKTIF BERBASIS KOMUNIKASI SAINS

The science learning process in the 21st century era, especially at the tertiary level requires prospective science teachers to have science communication skills. Science communication skills are part of the science process skills that direct students to be able to express ideas, knowledge which contains data and facts that can be expressed in oral or written form. Science communication skills are considered as a source for developing and creating knowledge in the science learning process which are needed to act as a link so that students can share their experiences and understanding. Apart from that, the lack of availability of teaching materials in biotechnology lectures is a concern in this research. This research aims to describe student responses toward the science communication-based interactive e-module that has been developed and implemented in the Biotechnology course. This research is a quantitative descriptive study using a survey method. The samples involved in the research were 37 students from the sixth semester of the Science Education Study Program, class B, where practical tests were carried out on a limited scale. The research sample was taken using random sampling. The instrument used was a student response questionnaire sheet consisting of 40 statements. The data obtained includes practical results through student responses toward the e-module being developed. Student response questionnaires were analyzed quantitatively using descriptive analysis. The research results showed that student responses were very positive from all respondents with an overall average percentage reaching 82%. It can be concluded that the science communication-based interactive e-modules can be well received by science students as users.Penelitian ini dilatarbelakangi oleh perubahan proses pembelajaran IPA di era abad 21 khususnya di tingkat Perguruan Tinggi yang menuntut calon guru IPA untuk memiliki keterampilan komunikasi sains. Selain itu kurang tersedianya bahan ajar dalam perkuliahan bioteknologi menjadi perhatian dalam penelitian ini. Penelitian ini bertujuan untuk mengetahui gambaran respon mahasiswa terhadap e-modul interaktif berbasis komunikasi sains yang telah dikembangkan dan diimplementasikan dalam mata kuliah Bioteknologi. Penelitian ini merupakan deskriptif kualitatif dengan metode survey. Sampel yang dilibatkan dalam penelitian adalah mahasiswa Prodi Pendidikan IPA semester VI kelas B dengan jumlah 37 orang dimana uji kepraktisan dilakukan dalam skala terbatas. Pengambilam sampel penelitian dengan cara random sampling. Instrument yang digunakan adalah lembar kuisioner respon mahasiswa yang terdiri dari 40 pernyataan. Data yang diperoleh meliputi hasil praktikalitas melalui respon mahasiswa terhadap e-modul yang dikembangkan. Angket respon mahasiswa dianalisis secara kuantitatif dengan menggunakan analisis deskriptif. Hasil penelitian menunjukkan bahwa respon mahasiswa sangat positif dari seluruh responden dengan rata-rata keseluruhan persentase mencapai 82%. Hal ini menunjukkan bahwa keberadaan e-modul interaktif berbasis komunikasi sains dapat diterima baik oleh mahasiswa IPA sebagai pengguna.