JoinScience Sampler: Giants don’t exist in the real world—Challenges of teaching scale and structure
Issues that relate to the unifying theme of scale, as defined by the National Science Education Standards (NRC 1996) and Science for All Americans (AAAS 1989), are common in both science and everyday life. Until recently, there has been little research related to scale. Given the limited research, some problems the authors encountered in teaching this topic may be helpful to middle school teachers.