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Have you ever wondered how trebuchets hurled giant stones, why popcorn pops, or how jet packs soar? From quick answers to deep dives, this National Geographic Kids guide explores the science behind past and present inventions, out-of-this-world technology, geologic marvels, food phenomena, and movie magic. Packed with diagrams, photos, fun facts, timelines, and hands-on activities, it reveals the fascinating science of how things work.
“Glossy hardcover with noticeable edge and corner wear; small nicks and rubbing to corners and along edges, especially bottom front corner with minor laminate lift. Front and back covers show light surface scratches and scuffing. Binding appears tight. Interior pages look clean and unmarked from the visible publishing page; no writing or tears seen. No dust jacket (publisher's pictorial boards).”