Book excerpt: Mathematics and Science – Paper II is an attempt to make the process of teaching and learning an enjoyable experience. The book has been designed for the students appearing for the CTET Paper II, who opt for a career as a Mathematics/ Science teacher in schools. The book has been divided into two units – Mathematics and Science and covers CET syllabus thoroughly. The chapters provide in-depth explanations of the concepts in easy language. The pedagogical elements like activities, illustrative examples, figures, boxes, objective questions and summary acts as a learning aide and helps the students to grasp the subject to the core. Classroom simulation activities are to help budding teachers to deal with real-life classroom situations, while preparing for the examination.