Level 5 exemplar Comments The candidate’s response shows an extensive knowledge and clear understanding of the concepts and principles covered in the curriculum. He/she demonstrates very good problem-solving skills in answering questions involving unfamiliar situations (e.g. Paper 1 Q.2). The questions involving complicated calculations (e.g. Paper 1 Q.5(a)(ii) and Q.8(c)) are well answered. He/she can effectively communicate ideas using scientific terminology, appropriate diagrams and equations. His/her presentation of ideas in questions that require explanations (e.g. Paper 1 Q.2(b)(iii) and Q.3) demonstrates proficiency in the use of language and in putting forward points in a coherent manner.