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Ngai, Courtney; Sevian, Hannah – CBE - Life Sciences Education, 2018
The solving of problems in biochemistry often uses concepts from multiple disciplines such as chemistry and biology. Chemical identity (CI) is a foundational concept in the field of chemistry, and the knowledge, thinking, and practices associated with CI are used to answer the following questions: "What is this substance?" and "How…
Descriptors: Science Instruction, Biochemistry, Concept Formation, Scientific Concepts
Yonai, Ella; Blonder, Ron – Physical Review Physics Education Research, 2020
The goal of this research is to provide a rich set of connections between two fields: (i) Nanoscale science and technology (NST) and (ii) topics from a common middle school physics curriculum. NST is emerging as one of the most promising new fields of the 21st century, which is one of the many arguments for including NST topics in secondary…
Descriptors: Secondary School Science, Science Instruction, Physics, Molecular Structure
Blonder, Ron – Journal of Chemical Education, 2011
Nanoscience is an important new field in modern science. It deals with the ability to create materials, devices, and systems having fundamentally new properties and functions by working at the atomic, molecular, and macromolecular levels. Many teachers in the educational system have relatively limited knowledge related to nanochemistry and…
Descriptors: Foreign Countries, Molecular Structure, Technology, Interdisciplinary Approach
Tuvi-Arad, Inbal; Blonder, Ron – Chemistry Education Research and Practice, 2010
In this paper we describe the learning process of a group of experienced chemistry teachers in a specially designed workshop on molecular symmetry and continuous symmetry. The workshop was based on interactive visualization tools that allow molecules and their symmetry elements to be rotated in three dimensions. The topic of continuous symmetry is…
Descriptors: Experienced Teachers, Science Teachers, Secondary School Teachers, Teacher Workshops
Barnea, Nitza; And Others – 1995
In science teaching insufficient emphasis is placed on the fact that models are simulations of reality based on a certain theory and that molecules are not miniatures of the models that represent them. The study reported in this paper investigated how chemistry teachers perceive the nature and functions of models. The research population included…
Descriptors: Chemical Bonding, Chemistry, Foreign Countries, Higher Education
Rotbain, Yosi; Marbach-Ad, Gili; Stavy, Ruth – Journal of Research in Science Teaching, 2006
Our main goal in this study was to explore whether the use of models in molecular genetics instruction in high school can contribute to students' understanding of concepts and processes in genetics. Three comparable groups of 11th and 12th graders participated: The control group (116 students) was taught in the traditional lecture format, while…
Descriptors: Illustrations, Grade 12, Genetics, Science Achievement