Which works better to haul a pumpkin-a lever 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 moving the pumpkin. This book supports engineering design standards for primary grades in the Next Generation Science Standards.
€45.24
Idioma Inglés ● Formato PDF ● ISBN 9781467783057 ● Editorial Lerner Publishing Group ● Publicado 2015 ● Descargable 3 veces ● Divisa EUR ● ID 5034072 ● Protección de copia Adobe DRM
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