This paper reports a case study about argumentation and scientific practice in the 11th grade. The objectives of the study are to identify argument patterns and dimensions of the scientific practice in students' conversations and actions while engaged in an environmental management project in a wetland. The focus are the warrants that students…

This study is part of a larger study on the problems that high school students' have in the interpretation and production of drawings and graphic representations in practical work in the biology laboratory, specifically with the use of the microscope. This part of the study focuses on classroom discourse among students and teacher as they use the…

Genetic engineering is now an integral part of many high school textbooks but little work has been done to assess whether it is being properly addressed. A checklist with 19 items was used to analyze how genetic engineering is presented in biology textbooks commonly used in Spanish high schools, including the content, its relationship with…