Analisis Kemampuan Berpikir Lancar Pada Materi Asam-basa Menggunakan Model Pembelajaran Inkuiri Terbimbing

This research was aimed to describe fluency thinking skill in acid base  matter by using guided inquiry model learning for high, intermediate and low groups of student. The subject were students of class XI IPA SMA Swadhipa Natar.  This research used the pre-experimental method, a one-shot case studydesign, and data analysis using descriptive statistics. The results of analysis learning acid-base matter by using guided inquiry model learning showed that fluency thinking skill in the high level group 42,86% were excellent, and 57,14% were good; intermediate level group, 12,5% were excellent, 68,75% were good, 12,5% were enough, and 6,25% were less; low level group, 44,44% were good, 40% were enough, and 11,11% were less. Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir lancar pada materi asam-basa menggunakan model pembelajaran inkuiri terbimbing untuk siswa kelompok tinggi, sedang dan rendah. Subyek penelitian ini adalah siswa kelas XI IPA  SMA Swadhipa Natar. Penelitian ini menggunakan metode pre-eksperimen, desain one shot case study, dan analisis data menggunakan statistik deskriptif. Hasil penelitian analisis pembelajaran materi asam-basa dengan model pembelajaran inkuiri terbimbing menunjukkan bahwa kemampuan berpikir lancar pada kelompok tinggi 42,86% berkriteria sangat baik, dan 57,14% berkriteria baik; kelompok sedang, 12,5% berkriteria sangat baik, 68,75% berkrikeria baik, 12,5% berkriteria cukup, dan 6,25% berkriteria kurang; kelompok rendah, 44,44% berkriteria sangat baik, 44,44% berkriteria baik, dan 11,11% berkriteria cukup.

The Enhancement of Cooperative Ability and Becoming a Good Listener Ability in Solubility and Solubility Product by Learning of Hypnoteaching Method

The purpose of this research is to describe the effectiveness of improving the cooperative ability and becoming a good listener with using hypnoteaching in solubility and solubility product.The research was done in class XI IPA2 State Senior High School 13 Bandar Lampung. This study used a pre-experimental method with One Shoot Case Study Design. The effectiveness of hypnoteaching is measured by the percentage of average research finding in each meeting. After observation in five meetings, the average percentage of cooperative ability has improved significantly with percentage 44.85%, 50.00%, 61.25%, 63.53%, and 65.00%. Then, becoming a good listener with percentage 66.67%, 70.56%, 73.13%, 74.71%, and 81.11% has improved significantly too. Therefore, it can be concluded that learning with hypnoteaching is significant to improve cooperative ability and becoming a good listener

Animation Media Development of Multiple Representation Based on Science Material of Reaction Rate Determinant Factors

Many Chemical concepts are abstract. Generally, chemical learning at this momen only in makroscopic and symbolic dimension, whereas submicroscopic often deserted. The research aim to develop animation media of multiple representation based on science material of reaction rate determinant factors. Method used is research and development (R & D) according to Sugiyono (2008). Generally, research and development have three steps. There are step 1st) needs analysis, step 2nd) planning and development, and step 3th) evaluation the product. Results of this research is media of multiple representation based on science material of reaction rate determinant factors which have characteristic: 1) displaying science material of reaction rate determinant factors which be explained by multiple representation, 2) have parts consist of opening program title, foreword, instructional, competence standard, basic competence, indicators of product cognitive, indicators of process cognitive, science material of collision theory, science material of reaction rate determinant factors, literature, dan button for exit from the program, 3) have very high level of contents suitability that is 96.97 % according to teacher and also have high level of interesting that is 79.20% according students.

The Enhancement of Reporting Observation Result Skill and Giving Reason Skill on the Material of Solubility and Solubility Product by Advance Organizer Learning Model

The aim of this research was to describe the effectiveness of advance organizer learning model to enhance the skill of reporting observation result and giving reason skill on the material of solubility and solubility product. The subject in this research were students XI grade of Science 3 SMA N 7 Bandarlampung, Academic Year 2011/2012. This research used a pre-experimental method with One Group Pretest-Posttest Design. The effectiveness of advance organizer learning model was measured by the N-gain mean. Based on the results of this research, the average of N-gain value for reporting observation result skill is 0,67 and the average of N-gain value for giving reason skill is 0,54. This shows that (1) a model of advance organizer is effective to enhance the skill of reporting observation result in the medium category (2) a model of advance organizeris effective to enhance the skill of giving reason in the medium category

Development of Student Worksheet Based Science Process Skills on Factors Affecting Reaction Rate Topic

The research aim to develop student worksheet based science process skills on factors affecting reaction rate topic. This research use research and development (R & D) method according to Sugiyono (2008). Â But in this research, the steps are only done until main product revision. This research have three steps. The 1st step is needs analysis that consist of literature study and field study. The 2nd step is planning and development that consist of planning preliminary product, develop preliminary product, validation, and preliminary product revision. The 3thstep is preliminary field test and main product revision. The results of this research are student worksheet based science process skills on factors affecting reaction rate topic have very good quality for contents suitability aspect with score 98,46%; for readability aspect according to teacher is 98,00% & 87,88% according to students; for beauty aspect according to teacher is 98,46% & 86,52% according to students

Pengembangan Buku Ajar Berbasis Representasi Kimia Pada Materi Larutan Penyangga

This research aimed at developing a buffer solution textbook based chemical representation; describe the characteristics of a buffer solution textbook based chemical representation; describe the teachers’ feedback and students’ response to a buffer solution textbook based chemical representation; and knowing the obstacles encountered when developing a buffer solution textbook based chemical representation. The research method used is the Research and Development. From the results of limited test data showed that compliance with the chemical content of the textbook curriculum is very high at 82,5%, the aspect graph/the attractiveness is very high at 95% and levels of legibility is very high at 89,55%. Penelitian ini bertujuan untuk mengembangkan buku ajar larutan penyangga berbasis representasi kimia; mendeskripsikan karakteristik buku ajar larutan penyangga berbasis representasi kimia; mendeskripsikan tanggapan guru dan siswa terhadap buku ajar larutan penyangga berbasis representasi kimia; dan mengetahui kendala-kendala yang dihadapi ketika mengembangkan buku ajar larutan penyangga berbasis representasi kimia. Metode penelitian yang digunakan adalah metode Penelitian dan Pengembangan. Dari hasil uji coba terbatas diperoleh data bahwa pada aspek kesesuaian isi buku ajar kimia dengan kurikulum sangat tinggi sebesar 82,5%, aspek grafika/kemenarikan sangat tinggi sebesar 95% dan tingkat keterbacaan sangat tinggi sebesar 89,55%

Penggunaan Pendekatan Scientific Pada Pembelajaran Kesetimbangan Kimia Dalam Meningkatkan Keterampilan Elaborasi

This research was aimed to describe the effectiveness of scientific approach to improve the elaboration skills in chemical equilibrium subject matter. The method of the research was quasi experimental with Nonequivalent Control Group Design. The population of this research was students of class XI IPA SMAN 1 Purbolinggo semester of academic year 2013-2014. Sampling was done by purposive sampling and obtained class XI IPA 2 as experimental class and XI IPA 4 as control class. The effectiveness of scientific approach in the learning was showed by the significant difference of n-gain between experiment and control class. The results showed that the average n-gain of elaboration skills of control class was 0,28 and 0,55 for experiment class. The result of hypothesis testing showed that scientific approach was effective to improve the elaboration skills in the learning of chemical equilibrium.Penelitian ini bertujuan untuk mendeskripsikan efektivitas pendekatan scientific dalam meningkatkan keterampilan elaborasi pada pembelajaran kesetimbangan kimia. Metode penelitian yang digunakan adalah kuasi eksperimen dengan Nonequivalent Control Group Design. Populasi dalam penelitian ini adalah seluruh siswa kelas XI IPA SMA Negeri 1 Purbolinggo semester ganjil Tahun Pelajaran 2013-2014. Pengambilan sampel dilakukan dengan purposive sampling dan diperoleh kelas XI IPA 2 sebagai kelas eksperimen dan XI IPA 4 sebagai kelas kontrol. Efektivitas pendekatan pada pembelajaran ditunjukkan berdasarkan perbedaan n-gain yang signifikan antara kelas eksperimen dan kelas kontrol. Hasil penelitian menunjukkan rata-rata n-gain keterampilan elaborasi untuk kelas kontrol dan eksperimen masing-masing sebesar 0,28 dan 0,55. Hasil pengujian hipotesis menunjukkan bahwa pendekatan scientific efektif dalam meningkatkan keterampilan elaborasi pada pembelajaran kesetimbangan kimia

The Improvement of Skills in Expressing Hypothesis and Drawing Conclusion in Solubility and Solubility Product Through Advance Organizer Learning Model

This research was conducted to describe effectiveness of advance organizer learning model in improving skill in expressing hypothesis and drawing conclusion. Subject in this research was Grade XI students in classroom IPA3 in State Senior High School 7 in Bandar Lampung in even semester of academic year 2011-2012. This research used pre-experiment method with One-group Pretest-posttest design. Effectiveness of advance organizer learning model was indicated by improvement of n-gain values of pretest and posttest. The n-gain estimation results were subsequently interpreted with n-gain index suggested by Hake. The research results showed that the averages of ­n-gain of skill in expressing hypothesis and drawing conclusion were 0.55 (middle category) and 0.47 (middle category) respectively. The conclusion is that the advance organizerlearning model is effective in improving skills of expressing hypothesis and drawing conclusion

Pengembangan Lembar Kerja Siswa Berbasis Pendekatan Saintifik Pada Pokok Bahasan Teori Tumbukan

This research purpose was to develop student worksheets based on scientific appro­ach on the collision theory. The research method which was used was the method of Research and Development. From the results of the assessment of teachers and student towards student worksheets which were developed, namely student worksheets based on a scientific approach on the colli­sion theory, was obtained percentage on aspects of the suitability of the contents, the readability, and the attractiveness were 94%; 84%; and 84%, respectively which they were categorized very high. The results of student responses to the readability, and attractiveness were also categorized very high with the percentage 82.7% and 85.53%, respectively.Penelitian ini bertujuan untuk mengembangkan LKS berbasis pendekatan saintifik pada pokok bahasan teori tumbukan. Metode penelitian yang digunakan adalah metode penelitian dan pengembangan (Research and Development) Dari hasil penilaian guru dan siswa ter­hadap LKS yang dikembangkan yaitu LKS berbasis pendekatan saintifik pada pokok bahasan teori tumbukan, diperoleh persentase pada aspek kesesuaian isi, keterbacaan, dan kemenarikan sebesar 94%; 84%; dan 84% yang semuanya dika­tegorikan sangat tinggi. Hasil tanggapan siswa terhadap keterbacaan dan keme­narikan juga dikategorikan sangat tinggi yaitu dengan persentase 82,7% dan 85,53%