Forming commitments to science teaching -- Observe, infer, and classify : basic science process skills -- Measure, predict, and communicate : basic science process skills -- Approaches to science instruction -- The learning cycle as a model for science teaching -- Questioning strategies and leading discussions -- From activity to inquiry -- The nature of science -- From lessons to units : science curriculum -- Integrating science with other subjects -- Assessing students' science learning -- Managing a classroom for science learning -- Educational technology and science teaching -- Teachers negotiating different communities.