Non-electrolyte Solution Material Research Articles

Pengembangan E-Modul Kimia Berbasis Proyek pada Materi Larutan Elektrolit dan Non Elektrolit

This study aims to (1) to determine the results of the analysis of chemistry teaching materials on electrolyte and non-electrolyte solution materials used in schools according to BSNP standards, (2) to develop e-modules for electrolyte and non-electrolyte solution materials according to the BSNP eligibility criteria and have been based on projects, and (3) To determine student learning outcomes after being given project-based e-modules. The population in this study were all students of class X MIA SMA Negeri 1 Deli Tua, totaling 6 classes. The sample in this study was class X MIA 5 who was taught with a project-based chemistry e-module. The instrument used is an e-module feasibility questionnaire according to the BSNP standard, a learning outcome test of 20 questions that have been tested valid. This study uses the method and media development (R&D) with the ADDIE model. The ADDIE model has several stages, namely Analysis, Design, Develop, Implementation, and Evaluation. Where the results of the feasibility analysis of the content feasibility aspect of the e-module are 3.82; language eligibility is 3.83; The feasibility of presenting 3.81 and the feasibility of graphics 3.77 means that the teaching materials from the trial are very valid based on the BSNP. The average student learning outcomes who are taught project-based e-modules in one class are 78.8095. The results of the right-hand t-test with t count = 4.147> t table = 2.086. Thus the criteria for testing the hypothesis t count > t table are met. This means that Ho is rejected, Ha is accepted, so it can be concludedthat the project based chemistry learning e-module developed is better in improving students' chemistry learning outcomes in electrolyte and non-electrolyte solution materials.

Pengembangan LKPD Elektronik melalui Model Discovery Learning untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik (Studi pada Materi Pokok Larutan Elektrolit dan Non Elektrolit)

This study is a development research that aims to develop electronic LKPD through adiscovery learning model assisted by the 3D PageFlip Professional application on electrolyte and non-electrolyte solution materials that are valid, practical, and effective to be used to improve students' critical thinking abilities. The research procedure employed the ADDIE development model, which consisted of the analysis stage, design stage, development stage, implementation stage, and evaluation stage. The electronic LKPD was validated by two experts. Then it was tested to grade X Aljabar UPT SMAN 11 Pangkep through Google Meet. The results show that the developed electronic LKPD is valid with an average validity value of 3.42. The practicality test includes: (1) the implementation of LKPD learning through discovery learning model is at an average value of M = 1.96 in the value interval (1.5 ≤ M ≤ 2.0) meaning that the aspects and criteria observed are in fully implemented category, (2) the students gave a positive response with a total average percentage of 77.38%, which means the electronic LKPD is in practical category and (3) the teacher gave a positive response with an average total score of 86.18%, it is invery practical category. The electronic LKPD through the discovery learning developed also meets effective criteria with the test results of each indicator of students' critical thinking abilities is in the percentage of 60% - 80% in medium category.

DEVELOPMENT OF BULLETIN AS A LEARNING MEDIA ON ELECTROLYTE AND NON-ELECTROLYTE SOLUTION MATERIALS IN CLASS X MAS DARUL IHSAN ACEH BESAR

This study aims to develop, analyze the feasibility and describe the responses of students and teachers according to the newsletter learning media on electrolyte and non-electrolyte solution material. This type of this research is (Research and Development/ RD). The newsletter learning media developed in this study according to ADDIE model which has five stages: (1) analysis, (2) design,(3) Development (4) Implementation and (5) Evaluation. This research was conducted at the school of MAS Darul Ihsan Aceh Besar with 3 chemistry teachers and 31 students taken from class X. The appropriateness of the newsletter media was assessed by the research supervisor. The percentage of teacher and student responses to the newsletter media that was developed was 97.22% and 83.97% with the very good category. Based on the results of the study, it can be concluded that the developed newsletter media is very suitable for use in the learning process of electrolyte and non-electrolyte solution materials.

Pengembangan Modul Elektronik Terintegrasi Problem Based Learning (PBL) Pada Materi Larutan Elektrolit dan Non Elektrolit

This study uses Research and Development (R&D) research methods, namely developing problem-based chemistry teaching materials on electrolyte and non-electrolyte solutions. Aims to determine the feasibility standard of chemistry teaching materials in accordance with the eligibility criteria for content, language, presentation, and graphics and see student responses to the developed teaching materials. The stages that were passed in the research started from syllabus analysis with 13 revised curriculum, book analysis, design and development of teaching materials, validation of expert teaching materials, and student responses to teaching materials resulting from the development so that problem-based teaching materials were composed of electrolyte and non-electrolyte solution materials that appropriate and in accordance with BSNP criteria.Based on the validation results of teaching materials using a modified BSNP questionnaire, in this questionnaire the aspects assessed include aspects of content feasibility, language feasibility aspects, presentation feasibility aspects, and graphic feasibility aspects. Based on the results of standardization of problem-based modules on electrolyte and nonelectrolyte solution materials by Unimed chemistry lecturers and Chemistry Teachers, overall the average content feasibility obtained a result of 3.48 with valid criteria and no need for revision, for language eligibility the results obtained 3.59 with criteria valid and does not need revision, for the feasibility of the presentation, the result is 3.73 with valid criteria and does not need revision, and for the feasibility of the graphic, the result is 3.60 with valid criteria and does not need revision. This means that the average result is 3.60. Problem-based Modules on electrolyte and nonelectrolyte solutions are valid and do not need to be revised. After the teaching materials are valid, it is recommended to conduct an assessment of students with the aim of seeing the percentage of students' satisfaction level with problem-based teaching materials developed based on aspects of appearance, material aspects, and benefits aspects. The results obtained from 30 respondents, namely the display aspect of 92.67%, the material aspect of 90.5%, and the benefit aspect of 88.17%. So that the average percentage level of student satisfaction with problem-based teaching materials that have been developed is 90.44%. This proves that students like problem-based teaching materials so that teaching materials can be used in chemistry learning as well as reading references for students.

PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR KIMIA SISWA KELAS X IPA PADA MATERI POKOK LARUTAN ELEKTROLIT DAN NON ELEKTROLIT

This study aims to determine: (1) Description of students' chemistry learning outcomes on electrolyte and non-electrolyte solution materials taught using the Problem Based Learning (PBL) model and by using the direct learning model; and (2) increasing student learning outcomes (N-gain) on electrolyte and nonelectrolyte solution materials taught using the Problem Based Learning (PBL) model and by using the direct learning model. The method used in this study was a quasi-experimental design using a pretest-posttest control group design. The sample in this study were students of class X IPA1 as the experimental class who were treated using the Problem Based Learning learning model and class X IPA2 as the control class treated with the direct learning model. Based on the results of the analysis, it was found that the data were: (1) Description of Chemistry learning outcomes of students who were taught using the application of the Problem Based Learning (PBL) model obtained an average value of 63.64 for the pre-test and 76.46 for the post-test. Meanwhile, the learning outcomes of students who were taught with the direct learning model had an average pre-test of 54.43 and an average post-test score of 61.57; (2) The increase in student learning outcomes after learning using Problem Based Learning (PBL) of 0.35 (medium category) is greater than the increase in student learning outcomes in learning using the direct learning model of 0.15 (low category). This indicates that the Problem Based Learning (PBL) learning model is applied effectively to students' chemistry learning outcomes.

The Validity of Blended Learning Oriented Student Worksheets to Improve Science Process Skills in Electrolyte and Non-Electrolyte Solution Materials

This study aims to determine the validity of student worksheet with blended learning orientation to improve KPS in electrolyte and non-electrolyte solution material. The method used is Research and Development. Data collection was obtained from three validators in the field of chemistry education using validation sheets. The data obtained were analyzed descriptively quantitatively. This study discusses the validity of the developed LKPD, in terms of content and in terms of constructs. The results based on the validation assessment by the validator obtained very valid results on the content validity and construct validity with the respective percentages of 81.90% and 85.64%. It is concluded that student worksheet oriented blended learning to improve KPS in electrolyte and non-electrolyte solution material is valid as a learning medium.

Identification of students’ conceptual understanding on electrolyte and non-electrolyte solution material using a three tier multiple choice test

This study aims to identify the percentage of students’ conceptual understanding using the Three-Tier Multiple-Choice test on electrolyte and non-electrolyte solutions. The research method used is descriptive quantitative. The instrument used was a Three-Tier Multiple-Choice test. The research subjects were class X IPA MAN 1 Gorontalo City with a total sample of 20 students. The data were processed based on the students’ answer patterns which were grouped into categories of understanding the concept, not understanding the concept and misconceptions (misconceptions 1,2, and 3). The results showed that the category of understanding the concept of students was in the low category with a percentage of 28%, did not understand the concept in the high category with a percentage of 54%, and misconceptions were in the low category with a percentage of 18%. Of the 18% students who experienced misconception, the percentage was 8% misconception 1, misconception 2 was 2%, and misconception 3 was 8%.

Pengembangan E-Modul Berbasis Pemecahan Masalah Pada Materi Larutan Elektrolit dan Non-Elektrolit (ELNOEL)

High school students have difficulty in understanding “electrolyte and non-electrolyte” solution materials because they are mostly abstract. Students should study three aspects in electrolyte and non-electrolyte solutions including macroscopic, symbolic and submicroscopic. However, the fact that in school only accentuates macroscopic and symbolic levels. Then the learning resources cannot provide an explanation of the submicroscopic level and the learning model used does not make students active in accordance with the 2013 curriculum. This study aims to produce products in the form of problem solving-based Elnoel E-modules on electrolyte and non-electrolyte solution materials, as well as explaining the feasibility of E-elnoel module and student response to Elnoel E-module. This research is designed with ADDIE model with analyze, design, development, implementation and evaluation stages. This Elnoel e-module is validated by 7 experts (judment) that the results of material validation and media validation are declared valid with a value of 0.85 and 0.81. Then the Elnoel E-module was implemented to 9 students of grade XI science at Al-Qudwah Integrated High School to find out the student's response to the media developed by obtaining a percentage of 89% that belongs to the category very good.It can be seen that the development of media arranged based on problem solving can stimulate students’ thinking skills and get a positive response from students.

The Effectiveness of Learning Tools Using the 5E Learning Cycle Model to Improve Mastery of Concepts and Generic Science Skills

This study aims to determine the effectiveness of learning devices using the 5E learning cycle model to improve students' mastery of concepts and generic science skills in electrolyte and non-electrolyte solutions. This research is a type of pre-experimental research with one group pretest-posttest design research design. The research subjects were 21 students of class X MIPA-1 MA YKUI Maskumambang, Gresik, East Java. The methods used in data collection include validation and tests. The research data were analyzed descriptively and the n-gain analysis was used to determine the increase in students' mastery of concepts and generic science skills. The results showed: (1) students' mastery of concepts in electrolyte and non-electrolyte solutions was 0.8 with high criteria; (2) The average score of the students' mastery of concepts on electrolyte and non-electrolyte solutions was 89; (3) Increasing students' generic science skills on electrolyte and non-electrolyte solution material by 0.8 with high criteria; and (4) The average value of generic science skills for observation skills is 96 with predicate A. Based on the results of this study, it can be concluded that the learning device using the 5E learning cycle model is effective in improving students' mastery of concepts and skills in electrolyte and non-electrolyte solution material

IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TYPE OF TPS BASED SAVI TO COMPLETE STUDENT LEARNING OUTCOME

This study aims to describe the implementation, activities, learning outcomes, and student responses after the application of SAVI type TPS-based cooperative learning models of electrolyte and non-electrolyte solution materials. This study uses "one group pretest-posttest design". The implementation of SAVI-based TPS type cooperative learning model with an average value of 3.31 and 3.78 in the excellent category. Somatic student activity at 20.53% at the first meeting and 17.83% at the second meeting, intellectual students at 12.35% at the first meeting and 11.7% at the second meeting, auditory students at 11.7% at the first meeting and 11, 7% the second meeting, visual students by 11.58% at the first meeting and 10.88% the second meeting. This shows that students have a relevant percentage of time in accordance with the learning style with the type of cooperative learning model TPS. Complete learning outcomes of all students by 94% at the first meeting and 97% at the second meeting. Student responses after SAVI-based TPS type cooperative learning were very good with a percentage of positive responses of 98.61%. Keywords: Cooperative, TPS, SAVI, learning outcomes, response.

IMPLEMENTATION OF INQUIRY LEARNING MODELS INTEGRATED WITH NESTED TO INCREASE STUDENT’S CRITICAL THINKING SKILLS ON ELECTROLYTE AND NON-ELECTROLYTE SOLUTION MATERIALS

This research purpose to describe the implementation of inquiry learning integrated by Nested, students' activities, critical thinking skills and student learning outcomes after the implementation of learning models on electrolyte and non-electrolyte solution materials. The research design used is "one group pre-test post-test design". The method used in this study is observation and test methods. The results of the study indicate the application of learning gained an average percentage at meeting 1 of 93.75% and at the second meeting of 97.91% with very good criteria and supported with relevant student activity data, students' critical thinking skills increased with the average N-gain on the interpretation indicator is 0.78; analysis indicators of 0.83; indicator of inference of 0.74; and evaluation indicators by 0.84 with high criteria. In addition, student learning outcomes also reached classical completeness of 88.57%.

Pengaruh Integrasi Laboratorium Virtual dalam Model Pembelajaran Problem Solving Terhadap Kemampuan Berpikir Kritis Peserta Didik pada Materi Elektrolit dan Non elektrolit

The purpose of this study was to determine the positive effect of virtual laboratory integration in Problem Solving learning models on students' critical thinking skills in the electrolyte and non-electrolyte solution materials. This research was conducted in December 2018 - May 2019. The quantitative research method used was a quasi-experiment with Posttest Only Control Group Design. This research consisted of experimental class and control class, with 36 students in each class. The experimental class applies virtual laboratory integration learning in the Problem Solving learning model, while the control class applies 5M learning. The results showed that the average posttest value of the experimental class was 72.8 and the control class was 63.7. The results of the testing of the hypothesis were obtained by the value of t count (4.942)> t table (1,667) with a value with a significant level of 0.05, indicating that the positive influence of virtual laboratory integration in the Problem Solving learning model on students' critical thinking abilities in electrolyte solution material and nonelectrolytes.
 KeywordsVirtual Laboratory, Problem Solving, Critical Thinking Ability, Electrolyte and nonelectrolyte

Pengembangan E-Modul berbasis Discovery Learning pada Materi Larutan Elektrolit dan Non Elektrolit Kelas X SMA/MA

This research aims to develop teaching materials in the form of e-modules that are valid and practical. The type of research used is research and development (RD). The development model used is the 4-D model which includes 4 stages, namely the define, design, develop and disseminate. Research carried out until the development stage, namely the validity and practicality test. The instruments used were validity and practicality sheets. The e-module was validated by 6 validators, while the practicality test was conducted by 3 chemistry teachers and 30 students XI MIA 6 of SMAN 5 Padang. The results of the validity and practicality analysis showed a validity value of 0.840 with a very high category. The practicality value by students is 0.920 and the teacher is 0.841 with a very high category. Thus, e-module based on discovery learning on electrolyte and non-electrolyte solution materials in class X SMA / MA is valid and practical.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE STAD TERHADAP HASIL BELAJAR KOGNITIF PESERTA DIDIK KELAS X IPA SMA KRISTEN YABT MANOKWARI PADA MATERI LARUTAN ELEKTROLIT DAN NON ELEKTROLIT

Abstract This study aims to determine the effect of the STAD learning model on the cognitive learning outcomes of students on Electrolyte and Non-Electrolyte Solution material of class X IPA SMA Kristen YABT Manokwari. The research method used was pre-experimental design in the form of one group pretest-postest design. The retrieval technique uses saturated sampling. The data collection tool is a test of learning outcomes. Based on the result of the data processing obtained, the average pretest score was 48.22 and the postest average score was 96.00. Based on the result of the paired sample t-test, it was found that there were significant pretest and postest mean scores on the cognitive learning outcomes of students using the STAD type cooperative learning model which gave an effect of 20.15%. Key words: Learning model, STAD,Cognitive learning outcomes, and Electrolyte Solutions Non-Electrolyte

Pengembangan Multimedia Pembelajaran Larutan Elektrolit Dan Non Elektrolit Berbasis Multipel Representasi Menggunakan Lectora Inspire

Penelitian ini bertujuan untuk mengetahui isi dan kelayakan multimedia pembelajaran Lectora Inspire berbasis multiple representasi materi Larutan Elektrolit dan Non Elekrolit. Mulimedia pembelajaran ini merupakan perpaduan dari teks, gambar, animasi, dan video. Penelitian pengembangan multimedia pembelajaran berbasis multipel representasi ini menggunakan model Four-D (4D) yang diadaptasi dari Thiagarajan. Penelitian pengembangan ini hanya sampai pada tiga tahap, yaitu define (pendefinisian), design (perancangan) dan develop (pengembangan). Data yang diperlukan pada penelitian ini yaitu data kesesuaian label konsep dengan silabus kurikulum 2013, data kesesuaian konten multimedia pembelajaran menggunakan tabel ceklis label konsep, narasi dan tipologi serta data hasil uji coba produk menggunakan angket respon mahasiswa. Instrumen yang duganakan untuk memperoleh data tersebut adalah tabel identifikasi label konsep dengan silabus kurikulum 2013, tabel identifikasi label konsep, narasi dan tipologi, tabel ceklis kesesuaian label konsep, narasi dan tipologi, serta angket respon. Uji coba produk dilakukan pada mahasiswa kimia angkatan 2018 untuk mengetahui kelayakan mahasiswa terhadap multimedia yang telah dikembangkan. Multimedia pembelajaran berbasis multipel representasi menggunakan lectora inspire terdiri dari halaman beranda, petunjuk penggunaan multimedia, cara membaca navigasi konten serta materi larutan elektrolit dan non elektrolit. Isi konten multimedia pada materi larutan elektrolit dan non elektrolit terdiri dari tujuh label konsep. Rata-rata hasil uji coba produk secara individu sebesar 93,2%. Sedangkan rata-rata hasil uji coba produk secara kelompok sebesar 93,6%.

Peningkatan Hasil Belajar Kimia Pada Materi Larutan Elektolit Dan Non Elektrolit Melalui Model Pembelajaran Student Fasilitator and Explaining

This study aims to determine the increase in chemicallearning outcomes after the learning process of electrolyteand non-electrolyte solutions with the learning model ofstudent facilitator and explaning. The research method usedin this study was CAR and was carried out in two cycles,and each cycle took four stages namely planning,implementing, observing and observing. The researchsubjects were class X MIA 5 SMA Negeri 1 BolangitanBarat with a total of 25 students. Data collected throughobservation sheets and written tests. Data from observationswere analyzed and interpreted based on literature reviewand learning outcomes data were analyzed based onstudents' mastery learning. indicator of the success of thisstudy is if at least 80% of students have obtained aminimum score of 68. Results of the application of researchusing the learning model of Student Facilitator AndExplaining proved to significantly improve the learningoutcomes of electolyte and non-electrolyte solutionmaterials and be able to increase student activity inlearning.Keywords: Chemistry learning outcomes, learning model of StudentFacilitator And Explaining.

Application of guided inquiry learning model based on inter-intrapersonal intelligence in chemistry classroom

This study aims to determine the differences in the inter-intrapersonal intelligence of students who are taught with guided inquiry learning models based on inter-intrapersonal intelligence with students who are taught with direct instruction models on electrolyte and non-electrolyte solution materials. This research is a quasi-experimental study using a post-test only research design. This study used one experimental group and one control group. Students in the experimental group (N = 34) was taught using the guided inquiry learning model based on inter-intrapersonal intelligence in learning activities, while the control group (N = 34) was taught using the direct instruction model. The instrument used in this study is an inter-intrapersonal intelligence questionnaire. The data analysis technique of the research results used in this study is the independent t-test technique with a significance level of 0.05 and was found 0.038. The mean scores of inter-intrapersonal intelligence questionnaire in the experimental class was 62.35 while in the control class was 58.96. This means that there is a significant difference in inter-intrapersonal intelligence between students taught in learning with guided inquiry learning models based on inter-intrapersonal intelligence and students who take learning using direct instruction learning models on electrolyte and non-electrolyte solution materials.

Pengaruh Metode Pembelajaran Inquiry Berbasis Visualisasi Materi Larutan Elektrolit dan Nonelektrolit di Kelas X IPA SMA Negeri 1 Kawangkoan

The purpose of this study is to examine the effect of visualization-based inquiry learning methods on student learning outcomes in electrolyte and non-electrolyte solution material. This research was conducted in Kawangkoan 1 Public High School, in the even semester X IPA students, 2018/2019 academic year. Class X IPA students 1 (n = 31) as the experimental class and class X IPA 2 (n = 32) as the control class. The test used in this study statistical t test with significance level α = 0.05 with the testing criteriat> ttable then H0 is rejected and H1 accepted. The results obtained in this test obtained tcount 5.25> ttable 1.670. This test is done not to improve student learning outcomes beyond the minimum standard of completeness criteria in school but this testing is only to see the effect of visualization based inquiry learning methods on student learning outcomes. Based on the results obtained it can be concluded that there are differences in student learning outcomes applied with conventional learning models (control class) and visualization based inquiry learning methods (experimental class)

Development of student worksheet with class and laboratory activity based on guided inquiry in electrolyte and nonectrolyte solution materials

This research aims to produce student worksheet with class and laboratory activity based on guided inquiry in electrolyte and non-electrolyte solution materials and then express its validity and practicality. This research used the type of research and Development (R & D) research with the Plomp development model. The instrument used is a validity and practicallity questionnaires their data were processed by using the kappa cohen (k) formula. Based on the validity of the questionnaire, it showed that the developed LKPD has a substantial validity with k = 0.80. The data showed that the developed student worksheet has been valid. Based on the practicality questionnaire data in the small group evaluation obtained an almost perfect level of practicality with k = 0.83. Based on the practicality questionnaire in the field test obtained an almost perfect level of practicality with k = 0.87 based on the teachers’ responses andk = 0.85 based on the student’s responses.

Pengembangan E-Modul Berbasis Inkuiri Terbimbing Terintegrasi Multirepresentasi dan Virtual Laboratory pada Materi Larutan Elektrolit dan Nonelektrolit untuk Kelas X SMA/MA

Electrolyte and non-electrolyte solutions are materials consisting of theory and practicum so that teaching materials are needed that can support the characteristics of this material. The purpose of this study is to produce teaching materials in the form of integrated multi-representation and virtual laboratory based e-modules based on electrolyte and non-electrolyte solution material, and reveal the validity and practicality of the modules produced. This type of research is Research and Development and uses a 4-D model which includes four stages, including the define, design, develop, and disseminate stages (at this stage not done). The validity test was carried out by three chemistry lecturers at FMIPA UNP and two chemistry teachers at SMAN 4 Pariaman using an instrument in the form of a validity questionnaire. Practical tests were carried out by three high school chemistry teachers and 25 students of class X IPA 1 in SMAN 4 Pariaman using an instrument in the form of a practical questionnaire. The average kappa moment (k) the results of the validity and practicality tests by the teacher and students of e-modules are 0.90; 0.98; 0.83 with a very high validity category, the practicality category of teachers is very high, and the practicality category of students is very high. The data shows that integrated guided inquiry-based e-modules are multi-representation and virtual laboratory on electrolyte and non-electrolyte solution material are valid and practical