Download e-book for iPad: A Framework for K-12 Science Education: Practices, by National Research Council, Division of Behavioral and Social

By National Research Council, Division of Behavioral and Social Sciences and Education, Board on Science Education, Committee on a Conceptual Framework for New K-12 Science Education Standards

ISBN-10: 0309217423

ISBN-13: 9780309217422

Technology, engineering, and expertise permeate approximately each aspect of contemporary existence and carry the major to assembly a lot of humanity's such a lot urgent demanding situations, either current and destiny. to handle the severe problems with U.S. competitiveness and to higher arrange the staff, Framework for K-12 technological know-how Education proposes a brand new method of K-12 technology schooling that may seize scholars' curiosity and supply them with the mandatory foundational wisdom within the field.

Framework for K-12 technological know-how Education outlines a wide set of expectancies for college students in technology and engineering in grades K-12. those expectancies will tell the improvement of recent criteria for K-12 technological know-how schooling and, as a consequence, revisions to curriculum, guide, review, improvement for educators. This publication identifies 3 dimensions that show the disciplinary middle rules and practices round which technological know-how and engineering schooling in those grades could be outfitted. those 3 dimensions are: cross-cutting techniques that unify the learn of technology and engineering via their universal program throughout those fields; medical and engineering practices; and center principles in 4 disciplinary parts: actual sciences, lifestyles sciences, earth and area sciences, and engineering, expertise, and the purposes of technological know-how. The overarching aim is for all highschool graduates to have enough wisdom of technological know-how and engineering to have interaction in public discussions on science-related concerns; be cautious shoppers of clinical and technological info; and feature the talents to go into the careers in their choice.

Framework for K-12 technological know-how Education is step one in a technique that would tell state-level judgements and supply a research-grounded foundation for making improvements to technology instructing and studying around the state. The e-book will advisor criteria builders, curriculum designers, evaluate builders, instructor educators, country and district technological know-how directors, academics, and educators who paintings in casual technological know-how environments.

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However, the theories, models, instruments, and methods for collecting and displaying data, as well as the norms for building arguments from evidence, are developed collectively in a vast network of scientists working together over extended periods. As they carry out their research, scientists talk frequently with their colleagues, both formally and informally. They exchange emails, engage in discussions at conferences, share research techniques and analytical procedures, and present and respond to ideas via publication in journals and books.

Refine a model in light of empirical evidence or criticism to improve its quality and explanatory power.  Use (provided) computer simulations or simulations developed with simple simulation tools as a tool for understanding and investigating aspects of a system, particularly those not readily visible to the naked eye.  Make and use a model to test a design, or aspects of a design, and to compare the effectiveness of different design solutions. , a toy car) to more abstract representations of relevant relationships in later grades, such as a diagram representing forces on a particular object in a system.

This optimization process typically involves trade-offs between competing goals, with the consequence that there is never just one “correct” solution to a design challenge. Instead, there are a number of possible solutions, and choosing among them inevitably involves personal as well as technical and cost considerations. Moreover, the continual arrival of new technologies enables new solutions. In contrast, theories in science must meet a very different set of criteria, such as parsimony (a preference for simpler solutions) and explanatory coherence (essentially how well any new theory provides explanations of phenomena that fit with observations and allow predictions or inferences about the past to be made).

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A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas by National Research Council, Division of Behavioral and Social Sciences and Education, Board on Science Education, Committee on a Conceptual Framework for New K-12 Science Education Standards

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