This book addresses the expectations toward the science standards of various stakeholders including students, parents,teachers, administrators, higher education science and science education faculty members, politicians, governmental andprofessional agencies, and the business community.This book also investigates how the science standards have been translated into practice at the K-12 school districtlevel, addressing issues around professional development, curriculum, assessment/evaluation, and accountability. The fundamentalquestions to be addressed are: (1) What is the response in terms of trends and patterns, of the educational system to theintroduction of the national and state science standards since the late 1980's? and (2) What is the impact of the introduction ofthe science standards on teachers, classrooms, and students?