This research aims to describe the creative thinking skills of students in science learning in elementary schools. This type of research is qualitative research with a case study approach. The technique of collecting data uses observation, interviews, and questionnaire. The research subjects in this study were fifth grade students of SD Negeri 1 Taruban, Nogosari, Boyolali which numbered 22 students and fifth grade teacher. Data analysis using descriptive analysis in the form of data reduction, data presentation, conclusion, and verification. Test validity data using source triangulation. The results showed that students' creative thinking skills were still low.
This study aimed to determine the process of making a liquid organic fertilizer from wastewater of washing rice and coconut husks as well as to determine the amount of nitrogen contained in liquid organic fertilizer. Nitrogen contents were determined using a colorimeter. The results showed that the nutrient content of nitrogen in the liquid organic fertilizer from wastewater of washing rice and coconut husk from fermentation process in a sample of 10 days for a ratio of 1: 3, 1: 1 and 3: 1 was obtained that nitrogen contents were respectively 0.52, 0.41, and 0.20%. The results of fermentation in a sample of 14 days for a ratio of 1: 3, 1: 1 and 3: 1 obtained that nitrogen contents were 0.62, 0.49, and 0.25%.
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