This proceedings contains a copy of the conference program and more than 75 papers and presentation summaries from the meeting, placed in order by conference session. Paper topics include science assessment issues; science for special needs students; science teachers' self-efficacy; teaching science to at-risk students; online inquiry instructional systems; strategies for equity in science education; teacher-researcher collaboration strategies; the nature of science; national science standards; portfolio development; teacher professional development; school-professional partnerships; learning theories; problem-based learning; student attitudes toward science; science, technology and society; elementary and secondary science teacher preparation; integrated approaches to curriculum; scheduling effects on science learning; constructivism; strategies for technology integration; writing-to-learn science; action research; distance education; preservice teachers' science knowledge; science teacher preparation in foreign countries; family science activities; multicultural science; student-centered science; and virtual field trips. (WRM)