How did somebody come up with the idea for bridges, skyscrapers, helicopters, and nightlights? How did people figure out how to build them?In 3D Engineering: Design and Build Your Own Prototypes, young readers tackle real-life engineering problems by figuring out real-life solutions. Kids apply science and math skills to create prototypes for bridges, instruments, alarms, and more. Prototypes are preliminary models used by engineers—and kids—to evaluate ideas and to better understand how things work.Engineering design starts with an idea. How do we get to the other side of the river? How do we travel long distances in short periods of time? Using a structured engineering design process, kids learn how to brainstorm, build a prototype, test a prototype, evaluate, and re-design. Projects include designing a cardboard chair to understand the stiffness of structural systems and designing and building a set of pan pipes to experiment with pitch and volume.Creating prototypes is a key step in the engineering design process and prototyping early in the design process generally results in better processes and products. 3D Engineering gives kids a chance to figure out many different prototypes, empowering them to discover the mechanics of the world we know.

Product Description: Over centuries and across cultures people have defied gravity in a quest to build the tallest, grandest structures imaginable.Skyscrapers: Investigate Feats of Engineering with 25 Projects invites children ages 9 and up to explore the innovation and physical science behind these towering structures...read more

Product Description: Integrative behavioural couple therapy (IBCT) is an empirically validated approach that integrates the twin goals of acceptance and change as positive outcomes for couples in therapy. Using a variety of treatment strategies in a consistent behavioural theoretical framework, IBCT's key features include emphases on case formulation, emotional acceptance as a basis for concrete change, and evocative rather than prescriptive interventions...read more

Product Description: When W. H. Freeman originally published this book in 1983, the scientific study of relationships was in its childhood. "Relationship science" has since become an established endeavor in psychology, sociology, and other social and behavioral science disciplines - complete with its own organizations, journals, book series, handbooks, and sourcebooks...read more

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