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Journal Article
Science 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 resear...
Journal Article
Methods and Strategies: The Reflective Assessment Technique
Teachers often rely on student questions, their observations of students at work, and their own intuition to monitor how well students are learning. However, the authors found that teachers learn more about their students when they use the four-step ...
Journal Article
The United States has a significant deficit in the number of university students choosing to major in science, technology, engineering, and mathematics (STEM) and subsequently entering STEM professions (National Science Board 2008). One way to addres...
Journal Article
Editor’s Roundtable: All things great and small
Middle level students often demonstrate limited familiarity with extremes, whether in distance, time, temperature, speed, or size: and they can have poor measuring skills and an inadequate number sense. The can make scale a very difficult concept for...
Journal Article
The declining cost of computers and wireless networks has made laptop programs more affordable than ever. At the same time, the internet resources available to teachers and students have grown exponentially in the 15 years since web browsers first be...