Synopsis The present publication is based on current syllabus and both traditional and modern methods of the teaching of chemistry. The structural contents include; a focused comment on the science classroom and the ways of the scientists; approach to teaching the ways of the scientist; science teachers and the chemistry course contents; secondary school chemistry and school science facilities; basic philosophy of teaching chemistry; the four important units of -man and the nature of matter, the structure of matter, types of chemical change, and water, solutions and non-solutions, with reference to acids, based and slats -the metals and their compounds, carbon and its compounds, and useful non-metals. It is earnestly hoped that the present publication will be an indispensable aid to the teaching of chemistry for all teachers.