This study was conducted to establish a base level of information on science teachers capacity to teach science process skills as one of the competences strongly advocated by the newly introduced Competence Based Curriculum (2005) in Tanzania. This book provides information regarding;(i) knowledge level of integrated science process skills of Biology teachers in Morogoro Municipality (ii) self efficacy of Morogoro Biology teachers towards teaching of science process skills (iii) influence of teachers self-efficacy, level of qualification, work experience, and gender on teaching integrated science process skills, and (iv) the effectiveness of school laboratories as a vital resource in the teaching of integrated science process skills. The book is of use to both teachers, teacher educators and the Ministries of Education for enhancing the development of effective science teachers professional development programs.