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Setianingsih, Rizki
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Biochemistry, Genetics & Molecular Biology Education

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ANALYSIS OF CRITICAL THINKING SKILLS HIGH SCHOOL STUDENTS IN THE DISTRICT OF SEMARANG MATERIAL ENVIRONMENTAL CHANGE CURRICULUM 2013 Setianingsih, Rizki; Marianti, Aditya; Ngabekti, Sri
Journal of Biology Education Vol 8 No 3 (2019): December 2019
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v8i3.27056

Abstract

Learning science at school is expected to develop critical thinking skills students for the challenges of the 21st century. Ccritical thinking skills are integrated in the curriculum of 2013. The ability of high scientific literacy show high critical thinking skills. This study aimed to analyze the level of critical thinking skills of high school students in the District of Semarang on environmental changes material of curriculum 2013. This study was descriptive quantitative survey method using a questionnaire and observation sheet. The research was conducted in three high schools in Semarang District selected by purposive sampling in SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa. Respondents used is class X IPA as many as 195 students in three schools. The data were analyzed using R software.  Based on the results of research, critical thinking skills of students only in the quite critical category . Kruskal-Wallis test results of chi-square showed a difference in the level of critical thinking skills of students at SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa with significant value 0.000009439. The highest level of high schools students critical thinking skills based on average indicators of critical thinking is SMAN 1 Ungaran with a percentage of 58%. The percentage of students' critical thinking skills in SMAN 1 Bergas and SMA Islam Sudirman Ambarawa is 57% and 55%. Critical thinking skills of students at SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa included in the quite critical category. The proportion of students at the level of critical thinking skills in SMAN 1 Ungaran,  SMAN 1 Bergas and SMA Islam Sudirman Ambarawa is different. The questionnaire results and students' test results showed linkage relationships based on Pearson correlation analysis chi-square obtained 42.199 squared count> squared table with significant value 0.000000168.
Analysis of Critical Thinking Skills High School Students in the District of Semarang Material Environmental Change Curriculum 2013 Setianingsih, Rizki; Marianti, Aditya; Ngabekti, Sri
Journal of Biology Education Vol 8 No 3 (2019): December 2019
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v8i3.27056

Abstract

Learning science at school is expected to develop critical thinking skills students for the challenges of the 21st century. Ccritical thinking skills are integrated in the curriculum of 2013. The ability of high scientific literacy show high critical thinking skills. This study aimed to analyze the level of critical thinking skills of high school students in the District of Semarang on environmental changes material of curriculum 2013. This study was descriptive quantitative survey method using a questionnaire and observation sheet. The research was conducted in three high schools in Semarang District selected by purposive sampling in SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa. Respondents used is class X IPA as many as 195 students in three schools. The data were analyzed using R software. Based on the results of research, critical thinking skills of students only in the quite critical category . Kruskal-Wallis test results of chi-square showed a difference in the level of critical thinking skills of students at SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa with significant value 0.000009439. The highest level of high schools students critical thinking skills based on average indicators of critical thinking is SMAN 1 Ungaran with a percentage of 58%. The percentage of students' critical thinking skills in SMAN 1 Bergas and SMA Islam Sudirman Ambarawa is 57% and 55%. Critical thinking skills of students at SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa included in the quite critical category. The proportion of students at the level of critical thinking skills in SMAN 1 Ungaran, SMAN 1 Bergas and SMA Islam Sudirman Ambarawa is different. The questionnaire results and students' test results showed linkage relationships based on Pearson correlation analysis chi-square obtained 42.199 squared count> squared table with significant value 0.000000168.
Analisis Produksi Organic Film Chitosan–Ekstrak Daun Jati Sebagai Preservatif Alami Daging Indrawati, Putri; Rukaenah, Rina; Triyanasari, Triyanasari; Rahayu, Reny; Setianingsih, Rizki; Widiatningrum, Talitha
Journal of Creativity Student Vol 2, No 1 (2017): January 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jcs.v2i1.10722

Abstract

Daging sangat rentan terhadap pembusukan atau penurunan kualitas. Penggunaan pengawet daging yang berbahaya seperti formalin di masyarakat merupakan hal yang dianggap wajar. Ditambah lagi penggunaan kantong plastik sebagai kemasan daging memperparah keadaan tersebut karena sifat kantong plastik yang cenderung toksik dan off flavour serta non-biodegradable. Oleh karena itu, diperlukan solusi untuk mengawetkan daging yang aman dan ramah lingkungan. Edible coating adalah teknologi sederhana dimana lapisan tipis komponen dimakan dan bertindak sebagai penghalang fisik terhadap karbon dioksida, oksigen, aroma dan gerakan kelembaban.Daun jati dipercaya memiliki sejumlah metabolit sekunder yang menjadikannya sebagai anti oksidatif. Chitosan banyak digunakan pada edible coating sebagai agen antimikroba. Oleh karena itu, produk organic film chitosan-ekstrak daun jati hadir sebagai preservatif alami daging yang aman dan ramah lingkungan. Teknik produksi dilakukan melalui uji laboratorium terlebih dahulu. Kemudian, produksi dengan bahan-bahan yang aman, berkualitas dan mudah didapatkan serta diolah secara higinis dengan teknologi pembuatan edible coating. Produk dikemas menggunakan aluminiumfoil klip dengan identitas produk berupa sticker. Promosi dilakukan secara online dan offline meliputi pembuatan akun media sosial, leaflet maupun tester produck. Akhirnya, berhasil menjual 30 kemasan dengan BEP 75,51%. Hasil tersebut berpotensi untuk dikembangkan pada kemasan yang lebih modern, perluasan pemanfaatan produk, perluasan distribusi di pasar modern, dan pengembangan usaha ditingkat usaha menengah keatas.
Co-Authors Aditya Marianti Indrawati, Putri Rahayu, Reny Rukaenah, Rina Sri Ngabekti Talitha Widiatningrum Triyanasari, Triyanasari