The purpose of this study is to determine the effect of implementation virtual labs through discovery learning in senior high school. The population of the study was students of SMAN 12 Padang and the sample was two classes with cluster random sampling technique. Students were divided into two groups: experimental and control group. The research instrument used for competency of attitude is observation sheet, for competence of knowledge is multiple choice and for skill competence using working assessment. Based on the results of the research, it can be concluded that for the three competencies shows the results that the experimental class is better than the control class.
To improve the quality of the Nuclear Physics lectures in addition to understanding the material as knowledge aspect, students are also expected to practice for the skills. The Nuclear Physics lecture material is microscopic so it requires laboratory activities, but there is no suitable practical tools available in the laboratory of Physics Department, mathatics and science faculty, universitas negeri padang. Therefore, a virtual laboratory model was developed in this research which was supported by students' worksheet. The valid and practical students' worksheet have been obtained. Then, it was tried out to students who take the Nuclear physics lecture to see whether the students' worksheet are effective to support virtual laboratory activities. The research conducted is included in the type of quasi-experimental research. The population is students who take part in the Nuclear Physics lecture in semester January-June 2018. The samples were taken using Cluster Random Sampling techniques. Data on knowledge and skills competencies were analyzed using the t test at a real level of 0.05. Based on the results of data analysis, there were significant differences in the two sample classes. The results of the regression analysis indicate that there is a strong correlation between the use of students' worksheet to support virtual laboratory activities for knowledge and skills competencies.Keywords: Nuclear Physics, Students Worksheet, Virtual Laboratory
Banyak masalah yang ditemui dalam proses pembelajaran fisika di sekolahmenengah, salah satu diantaranya adalah siswa sulit untuk memahami konsep-konsepfisika secara benar. Oleh sebab itu salah satu solusi yang ditawarkan adalah menggunakanmodel pembelajaran Vee Map. Secara teoritis model pembelajaran Vee Map dapatmerangsang dan menggalakkan siswa untuk aktif berfikir dalam menemukan konsepmelalui proses menghubungkan ide-ide baru dengan ide yang telah ada pada diri siswa.Oleh sebab itu tujuan penelitian ini adalah untuk mengetahui pengaruh penerapan modelPembelajaran Vee Map di SMAN 2 Padang.Untuk mencapai tujuan penelitian di atas, dilakukan penelitian eksperimen semudengan populasi adalah siswa kelas X SMAN 2 Padang dan sampel diambil dua kelasdengan teknik cluster random sampling. Kelas yang terpilih sebagai sampel dijadikan kelaseksperimen dan kelas kontrol.Berdasarkan hasil analisis data tes akhir didapatkan bahwa nilai rata-rata hasilbelajar kelas eksperimen (67,2) lebih besar dari nilai rata-rata kelas kontrol (62,11).Dengan menggunakan statistik uji t pada taraf nyata 0,05 menunjukkan bahwa tHitung(2,203) > tTabel (1,9943). Hal ini berarti bahwa terdapat pengaruh yang berarti penerapanmodel pembelajaran Vee Map di kelas X SMAN 2 Padang.
Curriculum 2013 has been implemented in targeted schools in order to improve the quality of education in Indonesia, starting from elementary school to high school level. However, in implementation, until now there has no teaching materials of physics subjects that can be used as a guide learning in school, especially to apply scientific approach. Therefore, in order to improve the quality of education in secondary schools in Padang, in general, this study aims to improve the quality of education, especially in senior high school physics in Padang. Specifically targets to be achieved through this research is to develop teaching materials based on scientific approach in an effort to improve students' thinking skills and understanding of the concepts of high school physics for implemented of curriculum 2013. In practice, research began identifying problems in school, then design an scientific approach based teaching materials. To test validity of scientific approach is based teaching materials then conducted of development research (R & D, four D models ) with the defining phases are define, design, development , and disseminate. Based on the results of the validation of teaching materials created, generally result is good categorize. So that the teaching material has been designed can be used in senior high school.
One of the problems found in the implementation of the curriculum of 2013 is not all competency skills can be performed well. Therefore, to overcome these problems, virtual laboratory designed to competencies skill of physics. One of the design objectives virtual laboratory is to improve the quality of education and learning in physics in high school. The method used in this study is a research method development four D model with the definition phase , design phase , development phase, and dissemination phase. Research has reached the stage of development and has been tested valid specialist. The instrument used in the research is a questionnaire consisting of: 1) the material substance; 2) The display of visual communication; 3) instructional design; 4) the use of software; and 5) Linguistic. The results obtained to test the validity in general has been very good category (85.6), so that the design of virtual labs designed can already be used in high school.
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