CHEMISTRY STUDENT WORKSHEET WITH PROBLEM ORIENTED POSING TO PRACTICE STUDENT’S CREATIVE THINKING IN SOLUTIONS STOICHIOMETRY TOPIC FOR GRADE XI

Abstract

The aim of this research is determine the eligibility of chemistry Student Worksheet with problem posing oriented to practice creative thinking in solution stoichiometry topic for Grade XI RSBI based on the assessment by chemistry lecturer, chemistry teacher, and linguist in eligibility criteria for contents, presentation, graphs, and linguistics. This research uses a 4-D of development model by Thiagarajan, but it is limited in develop step. The instruments that used are review sheet and validity sheet. The result show that of chemistry Student Worksheet with problem posing oriented  has been developed in learning process of RSBI class has met eligibility criteria for contents, presentation, graph, and linguistics with a sequential-share percentage 91.05%, 96.94%, 92.36%, and 75.00%.

Key words: chemistry Student Worksheet, problem posing, eligibility, solution stoichiometry

Penelitian ini bertujuan untuk mengetahui kelayakan chemistry Student Worksheet berorientasi problem posing untuk melatih berpikir kreatif pada materi stoikiometri larutan kelas XI RSBI berdasarkan penilaian dari dosen kimia, guru kimia, dan ahli bahasa terhadap kriteria kelayakan isi, penyajian, kegrafikaan, dan kebahasaan. Penelitian ini menggunakan model pengembangan 4-D oleh Thiagarajan, tetapi hanya terbatas pada tahap develop. Instrumen yang digunakan pada penelitian ini adalah lembar telaah dan lembar validasi. Hasil penelitian menunjukkan bahwa chemistry Student Worksheet berorientasi problem posing yang dikembangkan telah layak digunakan dalam proses pembelajaran kimia pada kelas RSBI karena telah memenuhi kriteria isi, penyajian, kegrafikaan, dan kebahasaan dengan persentase berurut-turut sebesar 91,05%, 96,94%, 92,36%, dan 75,00%.

Kata Kunci: chemistry Student Worksheet, problem posing, kelayakan, stoikiometri larutan