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All Journal JOURNAL OF KOMODO SCIENCE EDUCATION JOURNAL OF SONGKE MATH
Jundu, Ricardus
STKIP Santu Paulus Ruteng
Education Mathematics

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PROBLEM BASED LEARNING (PBL) MENGGUNAKAN PENDEKATAN SAINTIFIK TERHADAP KEMAMPUAN PEMECAHAN MASALAH KIMIA SISWA Jundu, Ricardus; Prodjosantoso, A.K.; Ramda, Apolonia Hendrice; Jelatu, Silfanus
JOURNAL OF KOMODO SCIENCE EDUCATION Vol 1 No 01 (2018): Science Education in 21st century (NOVEMBER)
Publisher : STKIP Santu Paulus Ruteng

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Abstract

Studi ini bertujuan untuk mempelajari efektivitas pembelajaran dengan model PBL yang menggunakan pendekatan saintifik sesuai kurikulum yang ada di Indonesia ditinjau dari kemampuan pemecahan masalah kimia siswa. Pemecahan masalah yang dikaji yaitu pada masalah larutan asam – basa. Penelitian ini merupakan penelitian eksperimen semu dengan menggunakan  nonequivalent control group design. Sampel yang digunakan berjumlah 43 siswa yang terbagi menjadi 2 kelas. Kelas eksperimen 1 menggunakan pembelajaran model PBL dengan pendekatan saintifik dan kelas eksperimen 2 dengan model yang sering dipakai guru kimia. Hasil penelitian menunjukkan bahwa pembelajaran dengan model PBL menggunakan pendekatan saintifik pada materi asam basa efektif meningkatkan kemampuan pemecahan masalah siswa.
LEMBAR KERJA SISWA (LKS) BERTAMPILAN KOMIK PADA MODEL PEMBELAJARAN CHILDREN LEARNING IN SCIENCE (CLIS) UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS SISWA Kurniawan, Yohanes; Asmi, Felisia Hilda; Tube, Bernardus; Jundu, Ricardus
JOURNAL OF KOMODO SCIENCE EDUCATION Vol 1 No 01 (2018): Science Education in 21st century (NOVEMBER)
Publisher : STKIP Santu Paulus Ruteng

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Abstract

Comic-style Student Worksheets (LKS) are worksheets that contain information and instructions from the teacher to students to work on a particular experiment presented by displaying comics while illustrated student worksheets are student worksheets that provide information and instructions from the teacher to students to work on one specific experiment presented with pictures. The use of LKS in this study is supported by applying the CLIS learning model that is a learning model that seeks to develop students' ideas or ideas based on the results of observations or experiments using LKS. The purpose of this study was to find out whether there were significant differences in science process skills between students taught using comic-style LKS on the CLIS learning model with students taught using illustrated worksheets in the CLIS learning model and to find out whether students' science process skills were taught using comic LKS on the CLIS learning model is higher than the students taught using illustrated worksheets in the CLIS learning model. The sample of this study was students of class VIII A as the experimental class and class VIII B as the control class, with the research design Randomized Control Group Only Design and the research instruments used were text LKS, comic-style LKS, illustrated worksheets and observation sheets of students' science process skills. From the results of data analysis using the t-test, obtained: 1) there are significant differences in science process skills between students taught using comic-style LKS on the CLIS model with students taught using illustrated LKS on CLIS; 2) science process skills students taught using comic-style LKS on the CLIS learning model are higher than students explained using illustrated worksheets in the CLIS learning model.
RELASI ANTARA VISUALISASI SPASIAL DAN ORIENTASI SPASIAL TERHADAP PEMAHAMAN KONSEP GEOMETRI RUANG Jelatu, Silfanus; Mandur, Kanisius; Jundu, Ricardus; Kurniawan, Yohanes
JOURNAL OF SONGKE MATH Vol 1 No 1 (2018): June Edition
Publisher : STKIP Santu Paulus Ruteng

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Abstract

Geometry is one of the critical subjects of mathematics. It includes concepts as points, lines, planes, space and their relations. Representations of three-dimensional objects using two-dimensional diagrams bring the difficulties of identification of their properties. The subfactors of spatial ability were identified as the primary variables in the performances of students related to geometry subject. The purpose of this study is to investigate the relationship between spatial visualisation and spatial orientation to the students understanding of space geometry concepts matter of the eighth-grade students. There are 60 eighth grade students as a  sample of the study. The reliability and the validity studies of the tests were carried out In the first part of the study. In the second part, correlation and regression analyses were carried out. Significant correlations were found between each factor. For clarifying the relationships between more than one-factor multiple regression analyses were used. The results showed that the two predictor variables explained the 65,61 % of the variance in plane geometry test scores. However, a degree of contribution of each factor differed. The relative impact of spatial orientation ability (B=. 55) was higher than the spatial visualisation ability (B=. 28).
Co-Authors A.K. Prodjosantoso Asmi, Felisia Hilda Kurniawan, Yohanes Mandur, Kanisius Ramda, Apolonia Hendrice Silfanus Jelatu Tube, Bernardus