PENGEMBANGAN LKS IPA BERBASIS KEARIFAN LOKAL KOPI PADA POKOK BAHASAN USAHA DAN ENERGI DI SMP

Abstract

Abstract
The purpose research and development of students worksheets science based on
local wisdom of coffee on the subject effort and energy were described validity of product,
described critical thinking skill of students and described students response. This
worksheets arranged with indicators of critical thinking were interpretation, analysis,
inference, evaluation, explanation, and self regulation. The design of this research and
development by Sugiyono that was (1) potential and problem, (2) data collection, (3) the
product design, (4) validation design, (5) revision design, (6) testing products, and (7)
revision products. The techniques of data collection were validity, test, questionnaire,
and documentation. The result showed that (1) the students worksheets science based on
local wisdom of coffee was very valid and value of validation 86,43 % it can be used
without revision; (2) the students worksheets science based on local wisdom of coffee was
effective to increase critical thinking skill of students and value indicators of critical
thinking skill 72,99 % with good predicate, and N-gain value 0,47 with medium category;
and (3) the students worksheets science based on local wisdom of coffee was very
practically to students and the value of students response 85,98% with very good
category.
Key word: local wisdom, validity, critical thinking, students response