This foundation Science textbook is an apt choice for the students who are willing to excel in the subject, Mathematics. The author R S Aggarwal has tried his best to keep the language as simple as possible so that the young minds are able to grasp the concept more easily. The experiments, activities and additional exploratory material have been provided to make the learning easy for the students. It covers all the chapters that are prescribed for Class 9 of Central Board of school Education (CBSE).