This series has been carefully structured keeping in mind the diverse needs of the learners at the primary level. The books for classes 1 to 8 have been designed for schools teaching a basic course in science at the primary level and include various tools for continuous and comprehensive assessment. Each book in this revised edition is packaged with a user-friendly, interactive multimedia CD-ROM. The CD-ROM provides linked, integrated, supplementary support for each lesson in the textbook through appealing illustrations, animations, tests, games, etc.