Sandra K AbellSandra K. Abell was Professor of science education and Director of the Science Education Center at the University of Missouri-Columbia. A former elementary school science teacher, Abell conducted numerous teaching and research projects in elementary nd middle level science classrooms in collaboration with classroom teachers. She was the author of numerous articles for teachers and researchers, coeditor of the Handbook of Research on Science Education, and past president of the National Association for Research in Science Teaching (NARST). Read More Read Less