Readers won’t have to disassemble their favorite toys to discover what makes them work. This Spanish-translated book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.
Ngôn ngữ tiếng Tây Ban Nha ● định dạng PDF ● ISBN 9781433394959 ● Nhà xuất bản Teacher Created Materials ● Được phát hành 2010 ● Có thể tải xuống 3 lần ● Tiền tệ EUR ● TÔI 5878283 ● Sao chép bảo vệ Adobe DRM
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