scholarly journals Pengembangan LKS Dengan Pendekatan Saintifik Berbasis Discovery Learning pada Materi Asam Basa untuk Pembelajaran Kimia Kelas XI SMA/MA

2018 ◽  
Author(s):  
Pobby Sepriandi ◽  
Ellizar ◽  
Rahadian Zainul
Keyword(s):  
High School ◽  
Senior High School ◽  
Discovery Learning ◽  
High School Chemistry ◽  
Chemistry Teachers ◽  
Average Value ◽  
Scientific Approach ◽  
Acids And Bases ◽  
D Model ◽  
Very High

A research has been done to develop student worksheet with scientific approach and discovery based learning in Acids and Bases topic to learn chemistry for grade XI senior high school and also to describe it’s validity and practicallities. The research used Research and Development (R&D) method. The model has been used is 4-D model, which consisted of define, design, develop and disseminate. Instruments of this research is questionnaire which consisted of validation sheet and practically sheet. Validity sheet was given to 4 chemistry lecturers and 2 senior high school chemistry teachers while practicallities sheet was given to 3 chemistry teachers and 25 students from SMAN 12 Padang. Based on the research, student worksheet product has been developed with scientific approach and discovery based learning in Acids and Bases topic for grade XI senior High School. The average value of validity is 0,92 which very high validity category while the average value of practicallities is 0,82 which very high practicallities category. Based on the data, it can be seen that the student worksheet on Acids and Bases topic with scientific approach and discovery based learning for grade X senior high school has very high validity level and very high practicallities level.

scholarly journals Pengembangan Permainan Scrabble Kimia sebagai Media Pembelajaran pada Materi Minyak Bumi Kelas XI SMA

EduKimia ◽  
2019 ◽  
Vol 1 (2) ◽  
pp. 31-38
Author(s):  
Rahma Yuni Fadlah ◽  
Bayharti Bayharti
Keyword(s):  
High School ◽  
Research And Development ◽  
Senior High School ◽  
State University ◽  
School Grade ◽  
Chemistry Teachers ◽  
High Category ◽  
High School Grade ◽  
D Model ◽  
Very High

This study was aimed to develop a game called “Scrabble Kimia” as a learning media in Petroleum topic for senior high school grade XI. This study used the research and development (R D)  type with the 4-D model. This 4-D model has four steps of research, they are define, design, develop, and disseminate. This study was limited only on validity and practicality tests. Data collecting was done by using questionnaires. Validity test used validation questionnaires by four experts, which is two chemistry lectures of the State University of Padang and two chemistry teachers of SMAN 1 Lengayang. Practicality test used practicality questionnaires by two chemistry teachers and 27 students of SMAN 1 Lengayang. Data analyzing used was kappa cohen formula. The result of this study showed that this media has 0,93 validity value with very high category of validity. The result of practicality by chemistry teachers has 0,88 practicality value with very high category of practicality, and practicality by students has 0,70 practicality value with high category of practicality. In conclusion, “Scrabble Kimia” that has been developed is valid and practice for using as a learning media in petroleum topic for senior high school grade XI.

scholarly journals Development of Discovery Learning Based E-Module on Buffer Solution Topic for Class XI Senior High School (SMA/MA)

EduKimia ◽  
2020 ◽  
Vol 2 (1) ◽  
pp. 6-11
Author(s):  
Agil Aditya Dinata ◽  
Rahadian Zainul
Keyword(s):  
High School ◽  
Research And Development ◽  
Senior High School ◽  
Discovery Learning ◽  
Buffer Solution ◽  
Chemistry Teachers ◽  
Is Research ◽  
Teachers And Students ◽  
Very High

The purpose of this study is to produce a discovery learning based e-module on buffer solution topic for Class XI Senior High School (SMA/MA). The type of research used is Research and Development using 4-D models with 4 stages, namely: (1) define, (2) design, (3) develop and (4) disseminate. This e-module was validated by 2 Chemistry lecturer from FMIPA UNP and 3 Chemistry teachers at Pertiwi 1 Padang High School, while the practicality test was carried out by 2 chemistry teachers and 26 students of class XII MIA SMA Pertiwi 1 Padang. The validity and practicality data were analysed using the kappa cohen formula, the validity was 0.92 very high and the practicality of teachers and students was 0.94 and 0.83 very high. The data proves that the Buffer Solution e-module can be said to be valid and practical

scholarly journals THE EVALUATION INSTRUMENT OF ANALYTICAL THINKING AND SCIENCE PROCESS SKILL IN CHEMISTRY SUBJECT

2017 ◽  
Vol 1 (1) ◽  
pp. 100-110
Author(s):  
Endang W. Laksono ◽  
Eli Rohaeti ◽  
Suyanta ◽  
Irwanto
Keyword(s):  
High School ◽  
Senior High School ◽  
Expert Judgement ◽  
Evaluation Instrument ◽  
High School Chemistry ◽  
Chemistry Teachers ◽  
Process Skill ◽  
Science Process Skill ◽  
Analytical Thinking ◽  
D Model

This study was aimed at developing and describing the feasibility of analytical thinking and science process skill instrument for Senior High School chemistry in the material of reaction rates. The study was conducted in five senior high schools in Yogyakarta. The instrument development used the 4-D model including defining, designing, developing, and disseminating. Analytical Thinking and Science Process Skill (ATSPS) instrument was validated by expert judgement and chemistry teachers. The data obtained were analyzed using the descriptive, qualitative, and quantitative methods. Findings show that evaluation of the the developed ATSPS instrument has a validity index of 0.95. Product evaluation of the instrument done by the Senior High School chemistry teachers obtained a score of 530 within the good category. The percentage of teachers’ responses to the chemistry assessment instrument is 88.33%. Therefore, ATSPS instrument is feasible to be used for measuring the knowledge and skills of the Senior High School students integrativelyINSTRUMEN PENILAIAN KEMAMPUAN BERPIKIR ANALITIS DAN KETERAMPILAN PROSES SAINS KIMIAPenelitian ini bertujuan untuk mengembangkan dan mengetahui kelayakan instrumen penilaian kemampuan berpikir analitis dan keterampilan proses sains kimia peserta didik SMA/MA pada materi laju reaksi. Penelitian dilakukan di lima SMA/MA di Kota Yogyakarta. Pengembangan instrumen menggunakan model 4-D (Four-D Model) yang meliputi tahap pendefinisian, perancangan, pengembangan, dan penyebaran produk. Instrumen Analytical Thinking and Science Process Skill (ATSPS) yang telah dikembangkan divalidasi oleh expert judgement dan guru kimia. Data yang diperoleh dianalisis secara deskriptif kualitatif dan kuantitatif. Hasil penelitian menunjukkan bahwa instrumen ATSPS yang telah dikembangkan memiliki rata-rata indeks validitas isi sebesar 0,95. Berdasarkan hasil penilaian produk yang telah dilakukan oleh guru kimia SMA/MA diperoleh skor sebesar 530 dengan kategori sangat baik. Persentase respons guru terhadap instrumen penilaian kimia sebesar 88,33%. Oleh karena itu, instrumen penilaian kemampuan berpikir analitis dan keterampilan proses sains kimia layak digunakan untuk mengukur kompetensi pengetahuan dan keterampilan peserta didik SMA/MA secara terintegrasi

scholarly journals PENGEMBANGAN MEDIA PEMBELAJARAN ASAM BASA MENGGUNAKAN APLIKASI ANDROID BERBASIS CHEMISTRY TRIANGLE KELAS XI SMA/MA

2018 ◽  
Author(s):  
Annisa Rayhanny Jannah ◽  
Zul Afkar ◽  
Rahadian Zainul
Keyword(s):  
High School ◽  
Research And Development ◽  
Mean Value ◽  
Senior High School ◽  
Instructional Media ◽  
Acid Base ◽  
Chemistry Teachers ◽  
Android App ◽  
Very High

Abstract-The aims of the research are to produce instructional media on acid-base using android app based chemistry triangle which practical and valid. The study can be categorized as Research and Development. The development of instructional media was carried out by adapting 4-D (four D models). The instruments used were validity sheet and practicality sheet. The validity sheet was filled by 5 chemistry lecturers and 2 chemistry teachers. And the practicality sheet filled by 4 chemistry teachers and 26 students of SMA Adabiah Padang. The questionnaires were analyzed using Cohens’s kappa. The results of the validity, received mean value 0,83 and categories as "very high validity". The result of the practicality have mean value by the teachers 0,84 and by the students 0,88 and categories as "very high practicality". Based on the result can be concluded that instructional media on acid-base using android app based chemistry triangle of XI grade students in Senior High School very practical and valid to be used as a instructional media.

scholarly journals THE EVALUATION INSTRUMENT OF ANALYTICAL THINKING AND SCIENCE PROCESS SKILL IN CHEMISTRY SUBJECT

2018 ◽  
Author(s):  
Irwanto
Keyword(s):  
High School ◽  
Reaction Rates ◽  
Senior High School ◽  
Assessment Instrument ◽  
Evaluation Instrument ◽  
High School Chemistry ◽  
Chemistry Teachers ◽  
Process Skill ◽  
Science Process Skill ◽  
Analytical Thinking

This study was aimed at developing and describing the feasibility of analytical thinking and science process skill instrument for Senior High School chemistry in the material of reaction rates. The study was conducted in fi ve senior high schools in Yogyakarta. The instrument development used the 4-D model including defi ning, designing, developing, and disseminating. Analytical Thinking and Science Process Skill (ATSPS) instrument was validated by expert judgement and chemistry teachers. The data obtained were analyzed using the descriptive, qualitative, and quantitative methods. Findings show that evaluation of the the developed ATSPS instrument has a validity index of 0.95. Product evaluation of the instrument done by the Senior High School chemistry teachers obtained a score of 530 within the good category. The percentage of teachers’ responses to the chemistry assessment instrument is 88.33%. Therefore, ATSPS instrument is feasible to be used for measuring the knowledge and skills of the Senior High School students integratively.

scholarly journals Design of biology teaching materials based on discovery learning with scientific approach for class 10th in senior high school

Biosfer ◽  
2018 ◽  
Vol 11 (1) ◽  
pp. 68-77
Author(s):  
Binerd Anthon Im Toy ◽  
Ferry F Karwur ◽  
Junet F. da Costa ◽  
Jerry F Langkun ◽  
Ferdy S Rondonuwu
Keyword(s):  
High School ◽  
Senior High School ◽  
Discovery Learning ◽  
Learning Material ◽  
Tropical Country ◽  
School Class ◽  
High School Class ◽  
Scientific Approach ◽  
Collection Data ◽  
Asking Questions

Indonesia as a tropical country with two seasons and has a high humidity into a good land for mushrooms growth. Students need to be taught to understand mushrooms. Understanding includes; morphology, physiology, reproduction, roles, and benefits of fungi. Discovery learning with a scientific approach becomes one of the active methods for, providing learning to Senior high school-class 10th students. Methods of scientific approach are done through activities: observing, asking, trying, reasoning, and communicating. A biology lesson that is active, innovative, creative, effective, and fun for the learners depends on the approach chosen and the instructional method used. The purpose of the development of this learning material was to design a biology instructional module on fungi using discovery learning with scientific approach. A scientific approach is a learning approach conducted through the following activities: observing, asking questions, experimenting, analyzing, and communicating. One method that is relevant with the principles of scientific approach is discovery learning. The stages in discovery learning are: stimulation, problem identification, data collection, data processing, providing evidence, and drawing conclusion. This biology lesson based on discovery learning with scientific approach complemented with pictures has the potentials in increasing the learning of the learners because they will be able to organize and conduct experiments to discover new knowledge

scholarly journals Pengembangan LKS dengan Pendekatan Saintifik Berbasis Discovery Learning Pada Materi Hukum Dasar Kimia untuk Pembelajaran Kelas X SMA/MA

2018 ◽  
Author(s):  
Ikhwan Chairi ◽  
Ellizar ◽  
Rahadian Zainul
Keyword(s):  
Research And Development ◽  
Development Stage ◽  
Discovery Learning ◽  
Chemistry Teachers ◽  
Development Models ◽  
Student Activity ◽  
Average Value ◽  
Very High

The purpose of this research are to develop a Student Activity Sheet on discovery-based learning of Basics Laws of Chemistry and test the validity and practicality of LKS produced. This type of research is the Research and Development (R & D). Development models used in this study is a four D models, namely (1) define , (2) design , (3) develop and (4) disseminate. This study is limited to the development stage. The instrument used in this research is the questionnaire of validity and practicalities. LKS developed validated by 7 people validator, consisting of five chemistry lecturers and two chemistry teachers. Practicality test carried by four chemistry teachers and several X grade students of MAN 3 Padang. Based on the research that has been conducted, the product produced Student Activity Sheet discovery-based learning for material Basics Laws of Chemistry that its validity and practicality had been examined. LKS produced has an average value of 0.90 with the validity of the category of very high validity, average of teachers practicality is 0.85 with very high practicality categories and average of students practicality is 0.72 with high practicality category.

scholarly journals Validitas dan Praktikalitas Modul Laju Reaksi Terintegrasi Eksperimen dan Keterampilan Proses Sains untuk Pembelajaran Kimia di SMA

2018 ◽  
Vol 2 (2) ◽  
pp. 132
Author(s):  
Andromeda Andromeda ◽  
Ellizar Ellizar ◽  
Iryani Iryani ◽  
Bayharti Bayharti ◽  
Yofita Yulmasari
Keyword(s):  
High School ◽  
Reaction Rate ◽  
Senior High School ◽  
Process Skills ◽  
Guided Inquiry ◽  
Science Process Skills ◽  
Average Value ◽  
Chemistry Learning ◽  
Teachers And Students ◽  
Very High

Modules are one of the learning materials that can be used in the learning process. Modules compiled based on guided inquiry learning syntax and integrating experimental activities that will be able to improve students' science process skills. This study aimed to produce a reaction rate module based on guided inquiry integrated experiments and valid student science process skills and practical use in senior high school chemistry learning. The type of this research was research and development (R & D) and the development model used was the 4-D model which consists of four stages: (1) define, (2) design, (3) development, (4) desseminate. This research was limited to the validity and practicality test. The validity test was carried out by 5 experts and limited trials to reveal the practicality done at SMAN 1 Lubuk Basung. The research instrument used was in the form of a validity and practicality questionnaire which was analyzed using kappa moment (k) Data analysis showed that the average moment of kappa validity was 0.84 with a very high validity category. The average practical kappa moments from teachers and students were respectively 0.83 and 0.85 with a very high practicality category. These results were also supported by the analysis of students' answers in answering critical questions, exercises, prelab questions, postlab questions, and worksheets in modules, with an average value of 90.2. Based on the results of the study it can be concluded that the guided inquiry integrates experiments and science process skills on based reaction rate topic are valid and practical used for chemistry learning in senior high school.

scholarly journals Pengembangan E-Modul Asam Basa Berbasis Discovery Learning Untuk Kelas XI SMA/MA

2019 ◽  
Author(s):  
Trihanto Setiadi ◽  
Rahadian Zainul
Keyword(s):  
High School Students ◽  
Research And Development ◽  
Discovery Learning ◽  
Test Results ◽  
Acid Base ◽  
School Students ◽  
Chemistry Teachers ◽  
Stage Of Development ◽  
D Model ◽  
Very High

This research is aimed to develop the e-modul of acid base based of discovery learning.. The type of research used is research and development or Research and Development (R&D). The development model used is a 4-D model (four-D models) which consists of 4 stages, namely: define, design, develop and disseminate. This research is limited to the stage of development, namely the validity and practicality test. The research instrument used was a questionnaire of validity and practicality. The E-Module was validated by 5 validators while the practicality test was carried out by 3 chemistry teachers and 27 XI grade students of MIA SMA UNP Laboratorium UNP. Data from the validity and practicality test results were analyzed using the cohen kappa formula. Based on the results of the study, it was found that the average kappa moment of validity test was 0,953 with a very high validity category and the average kappa moment of teacher practicality was 0,921 and students were 0,883 with a very high practicality category. Thus, it was concluded that acid base e-module based on discovery learning was produced for valid and practical high school students.

scholarly journals Pengembangan E-Modul Kesetimbangan Kimia Berbasis Pendekatan Saintifik untuk Kelas XI SMA/ MA

2018 ◽  
Vol 2 (2) ◽  
pp. 155
Author(s):  
Asmiyunda Asmiyunda ◽  
Guspatni Guspatni ◽  
Fajriah Azra
Keyword(s):  
Research And Development ◽  
Chemical Equilibrium ◽  
Chemistry Teacher ◽  
Chemistry Teachers ◽  
Validity Test ◽  
Is Research ◽  
Scientific Approach ◽  
High Level ◽  
D Model ◽  
Very High

The 2013 curriculum recommends scientific approach in learning and expects students to be skilled in using ICT. The research aim to develop a chemical equilibrium e-module based on scientific approach for XI SMA/ MA class and to determine validity and practicality level. This research is Research and Development (R&D) with 4-D model. Validity test was done by 3 chemistry lecturers at FMIPA UNP, 1 multimedia lecturer at FT UNP, 2 chemistry teachers at SMAN 1 Pariaman and 1 chemistry teacher at SMAN 7 Padang. Practicality test was done by 2 chemistry teachers at SMAN 1 Pariaman, 1 chemistry teacher at SMAN 7 Padang and 30 XII MIPA 7 SMAN 1 Pariaman students. The instrument was validity and practical questionnaire and data was analyzed by Cohen Kappa formula. This study produced a chemical equilibrium e-module based on scientific approach with an average kappa moments 0,81 which is very high level of validity. The results of the teacher practicality test and the students practicality test obtained an average of kappa moments in a sequence of 0,85 and 0,84 with a very high level of practicality Keywords: e-module, scientific approach, 4-D models, chemical equilibrium

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