TECHNOLOGY
(3) K-3 Fast Track: Simple Machines series. Captioned color photographs and instructive diagrams accompany these clear, simple texts that explain to young readers the science, mechanics, history, applications, and embellishments of six simple machines. An appended pictorial spread quizzes readers on identifying the machine being discussed, followed by a one-page set of directions describing how to build the machine and use it practically. Reading list, websites. Glos., ind. Review covers these Fast Track: Simple Machines titles: Levers, Pulleys, Ramps, Screws, Wedges, and Wheels and Axles.

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