scholarly journals Water Purity

2020 ◽  
Vol 2 ◽  
Author(s):  
C. Bousiou ◽  
S. Mitropoulos ◽  
C. Moschobitis ◽  
P. Argyri

The subject of this paper is the purity of water, the problems facing the whole planet in terms of it, solutions for them, as well as a little research conducted by us on our peers. Based on the theoretical framework of the work, we wanted to prove to the readers: a) The problem of water pollution has now taken on enormous proportions, and is no longer just a threat to countries far from Greece, b) there are ways to ensure drinking water for ourselves and for entire communities. Regarding the exploratory part of our work, the study involved 20 junior high school and high school students, who answered a questionnaire that examined issues such as the domestic use of water for each, their behavior towards water, etc. Then, the results were recorded and presented by means of in graphs.

2018 ◽  
Vol 5 (2) ◽  
Author(s):  
Alis Rahmawati ◽  
Eko Retno Mulyaningrum

ABSTRACTThis study aims to obtain the information about the students perspectives of SMP Negeri against NOS (Nature of Science) in Pati regency. The subject of the study are 339 of 8th grade students from SMP Negeri 16 in Pati District. The instrument of data collection is a test description which consist of analysis based on seven aspects of NOS with 7 questions that have developed by researcher. The result shows the understanding of NOS in 8th grade junior high school students in Pati District classified as “poor” with score 39.12% in general. The implication of this research is the new knowledge that NOS aspect should be taught in schools explicitly so students can understand NOS well. Keywords: Nature of Science (NOS), perspective, students SMP Negeri in Pati regency.ABSTRAKPenelitian ini bertujuan untuk memperoleh informasi mengenai perspektif siswa SMP Negeri terhadap NOS (Nature of Science) di Kabupaten Pati. Subjek penelitian yang digunakan adalah 339 siswa kelas VIII dari 16 SMP Negeri di Kabupaten Pati. Instrumen pengumpulan data adalah tes uraian berupa analisis berdasarkan 7 aspek NOS berjumlah 7 soal yang telah dikembangkan peneliti. Hasil penelitian menunjukkan bahwa secara umum perspektif NOS pada siswa SMP di Kabupaten Pati tergolong kurang yaitu hanya 39,12%. Implikasi dari penelitian ini adalah pengetahuan tentang aspek NOS seharusnya diajarkan di sekolah-sekolah secara eksplisit sehingga siswa dapat memahami NOS dengan baik.Kata kunci: Nature of Science (NOS), perspektif, siswa SMP Negeri di Kabupaten Pati.


TAMADDUN ◽  
2017 ◽  
pp. 1
Author(s):  
Nugra Heny Apriliah ◽  
Muyasaroh Muyasaroh

THE IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TEAM ASSISTED INDIVIDUALIZATION IN LEARNING FIQH AT THE JUNIOR HIGH SCHOOL STUDENTS OF 06 BANYUTENGAH, Essay: Faculty of Islamic Religious Education of Muhammadiyah Gresik University, 2016. The purpose of this thorough is the low interest in learning and lack of cooperation each other in the class so that make the state of the class is not condusive, to solve the problem doing this research to know the implementation of the Team Asssisted individualizataion process, the obstacles of that faced, and the effort will be undertaken for reach the purpose. This research was conducted at the Junior High school of Muhammadiyah 06 Banyutengah. The subject of the research is student in grade VIII the school years of 2016/2017 with the number of student 21. The data collected in the form of Observation result, interview and documentation. Data analysis techniques used is perform data reduction, presentation and drawing conclusions. The result of this study obstacles encountered in the application of cooperative learning models of the Team Assisted Individualization is influential in the less maximal application of this model, however with thw effort of teachers, the learning process can run well in the line expectations.


Author(s):  
Nora Ronita Dewi ◽  
Juli Rachmadani Hasibuan ◽  
Masitowarni Siregar ◽  
Anggraini Thesisia Saragih ◽  
Dicki Darmawan

The aim of this study was to develop listening media for Grade VII of Junior High School Students. This study was conducted by using Research and Development (R&D) design through six stages; gathering information and data, analyzing data, designing materials, validating by experts, revising, and final product. The subject of the study was Grade VII of SMP Negeri 7 Medan. The data were gathered by conducting interview to English teacher and distributing questionnaire to 1 class grade VII consists of 30 person to get the students’ needs. The interview and questionnaire results prove that the students needs English Listening Media which can motivate and encourage the students to speak actively in English. The product has been validated by experts. The result of the product was an E-learning media named Moodle Cloud and all the features which was categorized  as an  relevant media since the validation score of the media was 93.55%.


Author(s):  
Yayan Eryk Setiawan

Patterns generalization learning at the junior high school is more emphasis on the generalization of linear patterns. One problem in generalizing linear patterns is that students do not know the process of using trial and error strategies to generalize linear patterns. For this reason, the purpose of this study was to analyze the thought processes of 2 junior high school students who succeeded in generalizing linear patterns using trial and error strategies. The results show that there are two trial and error strategies that can be used to generalize linear patterns, namely: (1) Trial and error strategy by looking at the relationship of quantity consists of three steps. The first step is called relating, namely, the subject connects between the first term, the term in question, and difference. The second step is called searching, where the subject finds similarities by using addition and subtraction operations to obtain the nth term formula. The third step is called extending; the subject expands the pattern into more general structures by looking at the relationship between quantities. (2) Trial and error strategy by looking at patterns that consist of three steps. The first step is called relating, namely, the subject connects small positive integers by using arithmetic operations to obtain the first term and the second term. The second step is called searching, where the subject finds similarities by finding the formula for the first, second, and third terms. The third step is called extending, where the subject expands the pattern into more general structures by looking at the pattern that applies to the first, second, and third terms.


2020 ◽  
Vol 26 (1) ◽  
pp. 1
Author(s):  
Aprilia Rosmarie

Since language as a communication tool, that’s why information structure is really important in language system and in the communication process. This research is aimed to find out the pattern of information structure in junior high school students, in one of junior high school in the private school in Semarang. The researcher focused on informal and conversations between student-student and teacher-student or student-teacher. The researcher got thirty six conversations of informal and formal conversations. This was a qualitative research and the researcher focused on Topic and Focus of each conversations, since topic and focus are important constructions in giving the information or constructing the sentence. As the result, in formal conversation, both of speakers (teacher or students) tended to eliminate the subject, or the TOPIC (47 %), while only 33 % of eliminating the predicate or the FOCUS, and the rest is only 20% showed that there was no any elimination in the conversations. Meanwhile, in the informal conversation, both of speakers (teacher or students) tended to eliminate the subject, or the TOPIC (60%), while only 27% of eliminating the predicate or the FOCUS, and the rest is only 13% showed that there was no any elimination in the conversations.


Author(s):  
Nur Aza Maulidiyah

The students have their own model for learning language to reach the goal of learning. Learning style is the way of the students to decide the effective and efficient way to sense, remember, process, and save what they have tried to learn. However, the students of junior high school, especially at eighth grade, they have their own learning style to learn the language, but they have not known yet which learning style that can help them achieve English achievement. Meanwhile, there are four kinds of learning style. Those are converger, concrete, conformist, and communicative learners. This quantitative study wants to investigate whether there is correlation between students’ learning style and English achievement. The researcher gave the questionnaire which was adopted from Willing (1988) to the students to find the students’ learning style. 25 students of Muhammadiyah junior high 1 Gresik grade 8A were given the questionnaire. Then, the researcher gave writing test to 17 students who have converger and concrete learning style to know their English achievement. The result of this study showed the different result with the previous study. The previous study showed that converger and concrete could give impact on students’ academic achievement. This study showed that there was no significant correlation between converger learning style and English achievement. On the other hands, the result of concrete learning style has the similar result with the previous study which showed significant correlation between concrete learning style and English achievement since the subject of the study was high school students


2018 ◽  
Vol 1 (4) ◽  
pp. 531
Author(s):  
Eneng Eni Zahrotul Aeni ◽  
Irma Nurfahriani ◽  
Gida Kadarisma

This research aims to examine how the correlation of self-confidence to the ability of mathematical reasoning of Junior High School student. The type of research used is correlational research. The subject of research is the students of class IX SMP Negeri 2 Ngamprah. Data collection techniques in this research is a test of mathematical reasoning ability in the form of description and self-confidence questionnaire. The results of the indicate a significant relationship between self-confidence and mathematical reasoning ability of junior high school students.


2018 ◽  
Vol 1 (4) ◽  
pp. 505
Author(s):  
Nur Alifah ◽  
Usman Aripin

This study aims to describe the thinking process of junior high school students in solving mathematical problems reviewed based on cognitive style field dependent and field independent. The method used in this research is descriptive qualitative research method, while the method of data retrieval is test and interview. The study conducted on the VII grade students of SMPN 2 Marga Asih.The subjects of the study were 2 students from junior high school consisting of 1 students with cognitive field dependent and 1 student style with an independent cognitive field. The results showed that there were significant differences between the two subjects in processing information, that was the subject of FI understand the problem better when compared with the subject of FD. Because if processing information was not stored properly, it will be very influential in the next step.


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