The series Learning Elementary Chemistry for Classes 6 to 8 has been revised strictly according to the latest curriculum. The content of this series has been developed to fulfill the requirement of all the six domains (Concepts, Processes, Applications, Attitudes, Creativity and World-view) of Science, to make teaching and learning of Chemistry interesting, understandable and enjoyable for young minds. This series builds a solid foundation for young learners to prepare them for higher classes. The main strength of the series lies in the subject matter and the experience that a learner will get in solving difficult and complex problems of Chemistry. Emphasis has been laid upon mastering the fundamental principles of Chemistry, rather than specific procedures. Unique features of this series are: } The content of the book is written in a very simple and easy to understand language. } All the Key concepts in the curriculum have been systematically covered and graded in the text. } Each theme has been divided into units followed by thought-provoking and engaging exercises to test the knowledge, understanding and applications of the concepts learnt in that unit. At the end of each theme, a comprehensive theme assignment which is aligned with the guidelines provided in National Education Policy (NEP 2020) is given. } Explanations, illustrations, diagrams, experiments and solutions to numerical problems have been included to make the subject more interesting, comprehensive and appealing. } Diagrams, illustrations and text have been integrated to enhance comprehension. } Definitions and other important scientific information are highlighted. } Throughout the series, investigations related to the text enable the learners to learn through experimentation. } Quick revision of each chapter has been given under the caption “Highlights in Review”. Online Support It provides : } Video lectures } Unit-wise interactive exercises } Chapterwise Worksheet } Solution of textbook questions (for Teachers only) } E-Book (for Teachers only)I hope this series would meet the needs and requirements of the curriculum to achieve the learning outcomes as laid down in the curriculum. Suggestions and constructive feedback for the further improvement of the book shall be gratefully acknowledged and incorporated in the future edition of the book. — Author

Time-activity diaries kept by members of the general public indicate that on average people spend around 90% of their time indoors, this is associated with considerable exposure to air pollutants. Given its importance as a source of air pollution exposure, increasing attention is being given to pollution of the indoor environment. This volume will consider both chemical and biological pollutants in the indoor atmosphere from their sources to chemical and physical transformations, human exposure and potential effects on human health.

A keyword listing of serial titles currently received by the National Library of Medicine.