This is a past paper for the General Certificate of Education Ordinary Level (GCE O/L) Science examination, conducted in December 2018. This paper is in the Sinhala medium and was provided by the Department of Examinations Sri Lanka. It serves as an excellent resource for students to familiarize themselves with the exam format, question types, and difficulty level of the Science examination. By practicing with this past paper, students can improve their time management skills and enhance their understanding of key scientific concepts. This past paper includes a variety of questions designed to assess students' knowledge of scientific principles and their ability to apply this knowledge to solve problems. It is a valuable tool for exam preparation, offering students the opportunity to identify their strengths and weaknesses and to focus their studies accordingly. Disclaimer: This resource is provided for educational purposes only. All rights to the content belong to the Department of Examinations Sri Lanka. For more educational resources, visit apedanuma.lk.