Penelitian ini bertujuan untuk memperoleh Lembar Kegiatan Peserta Didik (LKPD) Berorientasi Chemo-Entrepreneurship pada Materi Koloid Kelas XI SMA untuk Melatihkan Keterampilan Berpikir Kreatif yang layak untuk digunakan. Kelayakan ditinjau dari aspek validitas, kepraktisan, dan keefektifan LKPD yang dikembangkan.. Jenis penelitian ini merupakan penelitian Research and Development (R&D) dengan metode one group pretest and posttest design yang di uji cobakan terbatas pada 12 peserta didik kelas XII di SMAN 1 Driyorejo Gresik. Instrumen penelitian yang digunakan yaitu lembar telaah, validasi, respon peserta didik, observasi aktivitas peserta didik, dan tes keterampilan berpikir kreatif. Hasil validitas diperoleh hasil pada validitas isi memperoleh persentase validitas 86,67% pada kategori sangat valid dan validitas konstruk ditinjau dari kriteria kebahasaan, kriteria penyajian dan kriteria kesesuaian tampilan masing-masing memperoleh persentase validitas 86,67%, 85,92% dan 86,67% pada kategori sangat valid. Kepraktisan LKPD berada pada kategori sangat praktis dengan respon positif peserta didik pada kriteria isi 100%, kriteria kebahasaan 91,67%, kriteria penyajian 94,44%, kriteria kegrafisan 94,44% dan didukung juga oleh hasil observasi aktivitas peserta didik yang menyatakan masing-masing aktivitas pada LKPD 100% terlaksana dengan baik selama proses uji coba terbatas. Keefektifan LKPD menunjukkan hasil masing-masing komponen berpikir kreatif yaitu kemampuan berpikir lancar (fluency), berpikir luwes (flexibility), berpikir elaborasi (elaboration) dan berpikir orisinil (originality) memperoleh presentase 91,67%, 85,97%, 77,8%, 81,25% dan N-gain score masing-masing peserta didik memperoleh nilai ≥ 0,7 dengan 83,33% peserta didik pada kategori tinggi dan 16,67% peserta didik pada kategori sedang.

Kata kunci: Kelayakan LKPD, Chemo-Entrepreneurship, Keterampilan Berpikir Kreatif, Koloid.

The aim of this research is to produce Student Activity Sheet (SAS) with Chemo-Entrepreneurship oriented on Colloid matter in XI Grade Senior High School to Train Creative Thinking Skill which is feasible to use. The feasibility are reviewed based on validity, practicability and effectiveness of student worksheet that developed. This research is development research using Research and Development (R&D) design with one group pretest and posttest method which is limited trial test was conducted to 12 students of 12^th grade of SMAN 1 Driyorejo Gresik. The instrument used in this research were review sheet, validation sheet, observation of student activity sheet, student responses and creative thinking tests. Validation result of content criteria was 86,67% in the very valid category and construct validity reviewed from language criteria, presentation criteria and display suitability criteria with percentage 86,67%, 85,92% and 86,67% in the very valid category. The SAS practicality in very practical category with positive responses of students on the content criteria was 100%, language criteria was 91,67%, presentation criteria was 94,44%, graphic criteria was 94,44% and its supported by observation result of student activity which declared that the SAS activity 100% was carried out well during the limited trial process. The SAS effectiveness shown that each component of creative thinking such as fluency, flexibility, elaboration and originality thinking gets percentage 91,67%, 85,97%, 77,8%, 81,25% and N-gain score of students get value ≥0,7 which is  83,33% of students in  high category and 16,67% of students in medium category.

Keywords: SAS feasibility, Chemo-Entrepreneurship, Creative Thinking skill, Colloid.