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The Foundational Science Content
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Four of the big ideas represent the basic science content: Size and Scale, Structure of Matter, Forces and Interactions, and Quantum Effects. And all four are interrelated. None of the science-content big ideas stands…
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Self-assembly is the process of matter organizing autonomously and without human intervention (Whitesides, Mathias, and Seto 1991; Withesides and Boncheva 2002). The process of self-assembly can be introduced in a range…
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Development of new tools and instruments helps drive scientific progress. Recent development of specialized tools has led to new levels of understanding of matter by helping scientists detect, manipulate, isolate,…
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Scientists use models and simulations to help them visualize, explain, and make predictions and hypotheses about the structures, properties, and behaviors of phenomena (e.g., objects, materials, processes, systems). The…
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Science, Technology, and Society
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The advancement of science involves developing explanations for how and why things work and using technology to apply that knowledge to meet objectives, solve problems, or answer questions of societal interest. Because…
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As our society becomes more dependent on nanoscale science and engineering (NSE) technologies, children globally will grow up in a world in which they will need to apply NSE ideas. Without a firm understanding of NSE…
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Applying the Foundational Science Content
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The four big ideas discussed in Chapter 1 provide the foundation for developing understanding of nanoscale phenomena. Two additional big ideas—Size-Dependent Properties and Self-Assembly—require learners to apply…
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The six big ideas of NSE discussed so far have been directly related to science content necessary for understanding nanoscale phenomena. The two big ideas in this chapter—Tools and Instrumentation and Models and…
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The final big idea of NSE is different from the others. It describes the natures of science and technology and how society affects and is affected by scientific and technological advancement. Thus the Science,…
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Concepts relating to size and scale (and geometry) affect students’ abilities to build understanding in a variety of scientific disciplines, including developing conceptual understanding of nanoscale phenomena. Ideally…
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Materials consist of building blocks that often form a hierarchy of structures. Atoms interact with each other to form molecules. The next higher level of organization involves atoms, molecules, or nanoscale structures…
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The content related to forces and interactions is important to most science disciplines. While chemistry is the most obvious place to introduce these ideas, it is important to connect aspects of this big idea to…
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Quantum theory is an extremely advanced and complicated model. However, some aspects are accessible and useful for building an appreciation and understanding of the novel properties exhibited by matter at the nanoscale…
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The properties of matter can change with scale. In particular, during the transition between the bulk material and individual atoms or molecules, a material often exhibits unexpected properties that lead to new…
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The Content-Understanding-Environment (C-U-E) framework incorporates key findings from research and is easy to use and remember. Further, current professional development for science teachers usually focuses on only one…
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