This volume contains 41 papers and 6 abstracts/research notes. Titles include: "What makes lessons different? A comparison of a student's behaviour in two science lessons"; "Is achievement in Australian chemistry gender based?"; "Towards becoming a reflective practitioner: what to know and where to find it"; "Sci-Tec: evaluating a non-deficit model of in-service"; "Student understandings of natural selection"; "Development of a hypertext computer program to enhance the scientific writing skills of upper secondary physics students"; "'The approaching storm': ideology, power and control. The National Science Teachers Association curriculum development in the United States"; "Assessing the psychosocial environment of science classes in Catholic secondary schools"; "How can we find out what 3 and 4 year olds think? New approaches to eliciting very young children's understandings in science"; "Developing conceptions of food and nutrition"; "Textbook representations of science-technology relationships"; "The historical context of Newton's Third Law and the teaching of mechanics"; "Effect of context and gender on application of science investigation skills"; "'Hands on - minds on': introducing openness into senior biology practical work"; "Post-primary science teachers' perceptions of primary science education"; "Towards a theoretical basis for students' alternative frameworks in science and for science teaching"; "Teaching problem-solving skills: a reflection on an in-service course for chemistry teachers in Singapore"; "A decade of debate on the schooling of girls in physics: where are we now?"; "Chemical apathy or hysteria: what role for education?"; "Students' understanding of concepts related to plant growth"; "Science teachers' views of professional development"; "Teaching about theories of light in Year 12 Physics: an historical approach"; "Improving quantitative volumetric analysis skills in first year university chemistry courses"; "A case study of scientific reasoning"; "The relevance of 'recent and relevant' experience"; "Action research through stimulated recall"; "An alternative model for textbook formation"; "How consistently do students use their alternative conceptions?"; "The role of classroom research projects in the preparation of science teachers"; "Facilitating practitioner research into strategies for improving communication in classroom groups: action research and interaction analysis--a reconciliation?"; "Emerging issues concerning the future directions of Australian senior science education: the Queensland experience"; "Conceptions of water-related phenomena"; "A study of force concepts in tertiary level students"; "'The sun is sleeping now': Early learning about light and shadows"; "Response to the Discipline Review of Teacher Education in Mathematics and Science"; "The evolution of an approach for using analogies in teaching and learning science"; "Teacher and student usage of science textbooks"; "Developmental aspects of primary school children's construction of explanations of air pressure: the nature of conceptual change"; "Teaching controversial issues in the secondary school science classroom";"Teacher perceptions of professional development needs and the implementation of the K-6 Science and Technology syllabus"; and "Taking the plunge into the gene pool: teaching and learning in genetics." (MKR)