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

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Copertina di 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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Lingua Inglese ● Formato PDF ● ISBN 9781467783033 ● Casa editrice Lerner Publishing Group ● Pubblicato 2015 ● Scaricabile 3 volte ● Moneta EUR ● ID 5034071 ● Protezione dalla copia Adobe DRM

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