PENGARUH PENDEKATAN PEMBELAJARAN DAN KEMAMPUAN AWAL TERHADAP HASIL BELAJAR KIMIA SISWA SMA (Suatu Studi Eksperimen Di SMA Negeri 28 Kab. Tangerang) THE EFFECT OF INSTRUCTIONAL APPROACH AND PRIOR KNOWLEDGE ON CHEMISTRY LEARNING RESULT OF SENIOR HIGH SCHOOL STUDENTS YEFIANA YANITA SARI1 ABSTRACT The main purpose of this research is to find out the effect of learning approach and prior knowle…