The examination was directed to figure out Issue Based Guidance Understudy Worksheets (LKPD) in science examples and to figure out understudies' reactions. The kind of exploration being done by specialists is Improvement (Innovative work). This examination utilizes the Borg and Nerve advancement model embraced by Sugiyono. The instruments utilized are validator and understudy surveys. Then, the information got will be broke down from every appraisal by validator specialists and understudies. The nature of understudy worksheets is completed by approving understudy worksheet items in light of issue based guidance, in particular media specialists, material specialists and language specialists. In light of media specialists, a typical rate was gotten of 84%, material specialists acquired a normal level of 90%, and language specialists got a typical level of 75%. Then, the understudy worksheet item is tried. To figure out understudies' reactions to understudy worksheet items, limited scope preliminaries and huge scope preliminaries were done. Limited scope preliminaries got a typical level of 87% with the standards "Entirely Possible" while in enormous scope preliminaries got a typical level of 87 % with the rules "Truly Qualified" accordingly the understudy worksheet depends on issue based guidance in science examples. created appropriate for use.