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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.
€44.65
Bahasa Inggeris ● Format PDF ● ISBN 9781467783057 ● Penerbit Lerner Publishing Group ● Diterbitkan 2015 ● Muat turun 3 kali ● Mata wang EUR ● ID 5034072 ● Salin perlindungan Adobe DRM
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