Jurnal Pena Sains
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ANALYZING OF STUDENTS' ATTITUDES TOWARD SCIENCE ON JUNIOR HIGH SCHOOL: Case Study in Muaro Jambi, Indonesia
Full text linkAttitude is expressions of likes or dislikes and expressions of accepting or rejecting an object. This study aims to describe students' attitudes toward science based on three attitude indicators in junior high school in Muaro Jambi. This research study is survey research. The instrument used was a questionnaire that focused on three indicators consisting of 26 statements and also interviews. The sample in this study amounted to 2815 junior high schools in Muaro Jambi. The results of the study of three indicators’ of attitude, which became the dominant focus of research on the good category. The social implication of science shows a very good category, with a percentage of 53.2%. Enjoyment of science lessons shows a good category with a percentage of 48.1%. Career interest in science is categorized as enough, with a percentage category of 41.8%. Research that has been carried out shows that the attitude of students in junior high school is categorized as good because the three indicators that are examined show good categories.
ECO-LITERACY: WHICH BETTER EITHER JOINING STUDY GROUP OR SELF STUDY?
Full text linkEco-literacy is one aspect that is important for students to resolve the current environmental issue and sustainable living. Eco--literacy has three dimensions of caring, practical competence, and knowledge. One of the things that can build an Eco-literacy is participation in study groups. This study aims to describe the differences in the eco-literacy of biology students based on participation in study groups. This research was conducted at Universitas Negeri Jakarta on May 2018. The research method used was Ex Post Facto. There were two different sample groups; the first group was X1 contain by students who participated in the study group, and the other group X2 contain by students who had not participated in the study group. The number of the sample from each group was 32 biology students’ year 2015. The data score of Eco literacy was taken using an eco-literacy questionnaire. Data were analyzed with t-test at significance level α = 0,05. From the results of the analysis, there were no significant differences between the eco-literacy of students participating in the study group and students who did not participate in the study group
IMPROVING STUDENTS’ LEARNING OUTCOME: IMPLEMENTATON MIND MAPPING METHOD WITH GOCONQR
Full text linkThis article aims to describe the improvement in student learning outcomes after applying to learn with the mind mapping method using the GoConqr application. This type of research is a quantitative descriptive. The sampling technique was purposive sampling, namely students who took the "Telaan Fisika SM III" at Lambung Mangkurat University 2018/2019 Academic Year. The number of research subjects is 15 students. Data collection techniques are using pretest and posttest. Data were analyzed using N-gain. N-gain test results obtained a value of 0.503. Therefore, it can be concluded that the effectiveness of learning with mind mapping methods using the GoConqr application is in the medium category. Thus, learning with the mind mapping method using the GoConqr application is effectively applied to improve student learning outcomes
DEVELOPMENT OF INTEGRATED SCIENCE DIGITAL MODULE BASED ON SCIENTIFIC LITERACY
Full text linkStudent quality of Science education program in the University of Pancasakti Tegal which is prepared to be science teacher candidates in junior high school in the future needs to be enhanced, because they must improve student scientific literacy ability. Students were expected to have scientific literacy competence and advanced in internet technology. Thus, research objectives were determining validity, reading level, and module effectiveness. It was development research. Subject of this reasearch is Students of Science Education study program in University of Pancasakti Tegal, semester IV, 2017/2018 academic year. The first step was fulfilling validity criteria, reading level and then trying out to determine learning effectiveness. Data analyze used judgment expert method, t-test and gain test. It concluded that the Integrated Science digital module based on scientific literacy was valid for learning with a score of 26 (high), easy understanding in reading level , it was useful to enhance cognitive learning outcome students that could be seen from classical learning outcome total of experiment class of 82.35% and control class of 52.94%. Gain result and t-test showed that there was a significant difference between experiment class and control class, it was 4.057, gain test for experiment class was g = 0.31and control class of g = 0.24
ANALYSIS OF LOCAL WISDOM TOWARD ENVIRONMENTAL CONSERVATION ATTITUDE IN BANGKALAN DISTRICT: A PRELIMINARY RESEARCH
Full text linkBased on the results and discussion previously described, the results can be concluded that local wisdom in Bangkalan district can be used to raise awareness of the importance of environmental conservation and the use of potential around the community. Suggestions that can be given is that it expected that research is developed for implementation in the field of education by including into one of the learning materials for example on the topic of environmental pollution
Oxidation Behavior of Zr-based Amorphous Alloys at 400˚- 450˚C in Air
Full text linkThe study of oxidation behavior of amorphous alloys based on Zirconium with 2 variations in composition was carried out: Zr64.5Cu17Ni11Al7.5 and Zr69.5Cu12Ni11Al7.5 at temperatures of 400 - 450˚C in air. Amorphous Zr-based alloys were thermally characterized using Differential Scanning Calorimeter (DSC) to determine the crystallization temperature and glass transition temperature. The oxidation characterization was carried out using a Thermo gravimetric Analyzer (TGA) at temperatures of 400, 425, and 450˚C for 4 hours in air. The phase analysis of the oxidation product was identified using X-Ray Diffaction (XRD). Based on DSC data the crystallization temperature for Zr64.5Cu17Ni11Al7.5 and Zr69.5Cu12Ni11Al7.5 is 426 and 442˚C respectively. The oxidation kinetics of the two alloys follow parabolic law and the oxidation rate increases with the addition of temperature. Oxides formed during isothermal oxidation in the Zr64.5Cu17Ni11Al7.5 and Zr69.5Cu12Ni11Al7.5 alloys are t-ZrO2 (tetragonal) as the dominant phase and ZrO2 (monoclinic) and CuO as the minor phase. The intermetallic phase is also formed in both samples, t-Zr2Ni and Zr2Cu
VALIDATION OF THE INSTRUMENTS OF LEARNING READINESS WITH E-LEARNING USING RASCH MODELING TO EMPOWER TECHNOLOGICAL CONTENT KNOWLEDGE (TCK)
Full text linkE-learning based learning is a trend in era 4.0 that requires learning readiness. This study is aimed at (1) developing GS-based e-learning readiness scale items to empower standardized TCKs; (2) validating the scale of e-learning readiness using Rasch modeling. The method used is the research on the development of modified Plomps according to needs, consisting of 3 stages, namely (1) the initial investigation stage; (2) stages of development (scale design construction); and (3) assessment stages (tests, evaluations and revisions). ata analysis using Rasch modeling with R-program 3.1.2. The results showed that the preparation of standardized e-learning learning readiness scale items through (a) study of the learning readiness scale theory; (b) defining concepts and operations; (c) determine dimensions; (d) determine indicators; (e) compile scale items; (f) rational validation by experts; (g) field trials; (h) Rasch modeling validation test. Validation of rasch modeling shows that e-learning readiness scale items are declared valid by considering aspects of content and substance. Therefore, this instrument can be applied in learnin
REVIEW π: WHAT IS THE DESCRIPTION OF STUDENTS' INTEREST IN PHYSICS?
Full text linkThis study was based on the potential of new methods in knowing students' interest in physics lessons. Interest in learning physics was the tendency and interest of students to learn the process and try to know and understand the material physics with experience of the environment both content and contextual. The subject of physics was more emphasis on the count, and then in each calculation equation was made in the form of symbols. Symbols that are often used in physics are the Greek alphabet. One of the most commonly used was the symbol "π." It was a Greek alphabet pronounced with pi. It was commonly used on specific subjects. The value "π" was 3.14 or 22/7 otherwise the value "π" was 180°. The use of "π" symbol in the level of education unit of High School as much as ten material of physics
STUDENTS MISCONCEPTION: THE DEVELOPING OF SOCRATIC DIALOGUE MEDIA ON TEMPERATURE AND HEAT
Full text linkThis purpose of this study is to improve media of Socratic dialogue that has been developed by the previous researcher and to determine the effect of the Socratic dialogue in enhance understanding of heat concept. As a result of prior research, showed students still have a misconception. Data collected from one institution of high school in Malang City using pre and posttest. Student’s conceptual changes that occur previous, during, after will be analyzed based on pretest and posttest scores and rethinking sequence of used record Socratic dialogue media. To explore more in-depth, the researcher conducted interviews with students on this concept. This result showed Socratic dialogue media could help students be aware mistakes or students become convinced if their opinion is correct. This study is important because it uses to improve student’s comprehension to move from the false toward the right concept. In some cases, the result of this study used for recovery and prevent to misconception. It can solve with appear cognitive conflict in the minds of students through Socratic dialogue
THE ANALYSIS OF PEDAGOGICAL CONTENT KNOWLEDGE (PCK) SUBSTANCE IN PRE-SERVICE SCIENCE TEACHERS' SKILLS TO ANALYZE ESSENTIAL MATERIAL OF SCIENCE
Full text linkSkills to analyze essential material are compulsory for pre-service science teachers, especially by the substance of PCK (elements for the professionalism of science teachers). Therefore, this study aimed at describing the ability of pre-service science teachers in analyzing the essential material of science regarding PCK substance, namely organizing science material. This observational research used a rubric to record quantitative data and research note for qualitative data. The data then analyzed descriptively. As a result, the competence of pre-service science teachers in analyzing the essential material of science is good enough. However, there are only some shortcomings related to the use of propositions in the concept mapping, the connection between concept domain, and extracting learning indicators that can suffice basic of competence