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The objective of this research is to enhance the academic performance of Grade III students at SDN Margomulyo 1 Ngawi in the subject of animal life cycle by implementing a cooperative learning approach using Montessori media. The study methodology used is classroom action research (CAR) consisting of two cycles. During the first phase, the assessment of student learning outcomes revealed a limited level of proficiency, as just 44% of students successfully attained the desired learning goals. Following the implementation of the cooperative learning paradigm using Montessori media in the second cycle, there was a notable improvement, with 88% of students attaining mastery and an average score rise of 82%. This research provides evidence that the collaborative learning approach, along with Montessori media, is successful in improving students' comprehension and academic achievements in the subject of animal life cycles.

One common household waste often encountered and rarely processed is used cooking oil. Used cooking oil is the residual oil from frying that has been repeatedly used. The common practice of reusing or improperly disposing of it by the community is considered hazardous as it has the potential to poison the body and pollute the environment. One effort to utilize used cooking oil is by recycling the waste into raw materials for making aromatherapy candles and essential oil scented soaps. This purpose activity is empower the community of Nglebak to utilize household waste and transform it into economic materials. This activity is carried out through research methods, material presentation, processing practice, and discussion. The research results on aromatherapy candles indicate that a formulation of used cooking oil and coconut wax at a ratio of 2:1 can produce ecofriendly aromatherapy candles with an ideal appearance and duration. The research results on soap indicate that stirring for 30 minutes with a volume of 60 mL of KOH (Potassium Hydroxide) is the ideal formulation for making essential oil scented soaps as it yields the most with a pH that complies with SNI No. 40-4058-1996