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Mari Schuh
Holding a Door Open [PDF ebook]
Wedge vs. Wheels and Axles

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Portada de Mari Schuh: Holding a Door Open (PDF)

Which makes it easier to lift a large toy-a wedge or wheels and axles? Readers will see how a group of kids compares two simple machines and decides which one does a better job at lifting the toy. This book supports engineering design standards for primary grades in the Next Generation Science Standards.

€46.31

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Idioma Inglés ● Formato PDF ● ISBN 9781467783033 ● Editorial Lerner Publishing Group ● Publicado 2015 ● Descargable 3 veces ● Divisa EUR ● ID 5034071 ● Protección de copia Adobe DRM

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