This book is a part of a series of middle-school science workbooks, written according to the CBSE syllabus. It supplements the textbook followed in the schools. Key features Each chapter in this book begins with a summary called In a Nutshell. The exercises that follow the summary have a large variety of questions—both objective and essay-type. Each chapter has a section called Guided Answering Practice that helps students answer questions. The summary and the solved questions will help students answer questions of the types given in the NCERT textbooks.