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The aim of this research is to analyze the students’ scientific reasoning skill by the use of Students’ Local Wisdom-based Worksheet. This is a Quasi Experimental research with One Group Pre-test Post-test design. Research population are the entire students of science education of Universitas Muhammadiyah Sidoarjo. Thus, the sample is taken through purposive sampling, which are 4th semester students of science education department. This research utilizes Scientific Reasoning Test as the instrument. Acquired data then get analyzed in descriptive quantitatively by using N-gain. In a brief, the findings show Students’ Local Wisdom-based Worksheet has a moderate influence to the N-gain value of 0,6 againsts the students’ scientific reasoning skill.

Worksheet; Local Wisdom; Scientific Reasoning