Abstract
Natural Science subject learning materials emphasize the observation of natural phenomena and their application in daily life. This research aims to foster students' concern for the environment through a learning unit book on the interaction of living things. The type of research was a "research and development method" with the design of 4-D model development research. The learning unit book was made based on the results of insect inventory on Amorphophallus titanum. The learning unit book was presented to the 8th-grade students of SMP Negeri Rejang Lebong, Bengkulu. The subject in this study was class VIII B on a limited trial. The subject was selected using the purposive sampling method. The data from the study was obtained by providing a questionnaire on environmental concerns. Analysis used test-n-Gain, and small-scale test results of environmental concern found an average score of 77.24 that are well categorized.
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