This is an exercise book for SJKC Tahun 1 to 3 Sains students. It is designed to assess every subtopic and Tahap Penguasaan according to the latest syllabus, the DSKP. The Subtopic and Tahap Penguasaan are indicated for each question for easy reference. KBAT questions are included to familiarize students with higher order thinking skills questions. In addition, 2 sets of Fun Learning revision are included to help the students learning in fun.