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This study aims to assess the effectiveness of the Discovery Learning model that utilizes the surrounding environment in improving the learning outcomes of Biology Science on plant material and its functions in grade 3 students of MI Al Barokah Jember. This approach refers to David A. Kolb's experiential learning theory and Jean Piaget and Lev Vygotsky's constructivism theory, which emphasizes the importance of active student involvement through real-life experiences and social interactions. This study uses a Classroom Action Research (CAR) model with four stages: planning, implementation, observation, and reflection. The research subjects were 24 students, with data obtained through observation, learning outcome tests (pre-test and post-test), and reflective interviews. Data analysis was carried out using quantitative and qualitative descriptive methods. The results showed a significant increase in students' conceptual understanding, with an average pre-test score of 60 increasing to 82 in the post-test, and 83% of students showed improved learning outcomes. Student activity also increased, with more students actively involved in observations, discussions, and presentations. As many as 80–85% of students were able to explain the functions of plant parts based on direct observation. Students responded positively to this lesson, but there were limitations in the variety of plants and the timeframe. It is recommended to reinforce initial understanding with visual aids and allow more time for group discussions.

This study originated from the issue of students’ limited comprehension of healthy and nutritious food concepts, which influences their lack of awareness in practicing a balanced diet in daily life. The conventional learning approach with minimal integration of visual aids has made students less engaged and hindered their overall understanding of the material. The primary objective of this research is to enhance fourth-grade students’ understanding of healthy and nutritious food at MI Al-Barokah through the application of picture-based learning media. Planing, implementation, observation, and reflection were the two stages of Classroom Action Research (CAR) that was used in the research. The participants were 25 fourth-grade students of MI Al-Barokah. Data were gathered through observations, interviews, and achievement tests, and analyzed using both qualitative and quantitative descriptive methods. The findings revealed a marked improvement in students’ understanding after the introduction of picture media, as reflected in the increasing average learning scores across cycles, along with greater motivation, participation, and engagement in classroom activities. The integration of picture media proved effective in facilitating a clearer, more engaging, and meaningful grasp of healthy and nutritious food concepts. These results suggest that picture-based instructional media can serve as a valuable strategy to improve the quality of thematic learning in elementary education, especially in lessons concerning healthy living and balanced nutrition.

his research examines the use of plastic bottle waste as a learning medium for water purification practices in the IPAS subject at MI Jami’yatul Mubtadi’in.The researcher also conducted direct observations at the school to see the actual implementation of this media.The results show that used plastic bottles are effective because they are easy to obtain, inexpensive, and relevant to environmental issues.This media helps students understand the concept of water purification concretely, as well as fostering environmental awareness and recycling skills.The integration of this media can enhance scientific understanding, critical thinking, and environmental awareness.Through observations at Mi Jamiyatul Mubtadiin, the children were enthusiastic in participating in the water purification practical.