Is it easier to lift a bag full of toys with an inclined plane or a pulley? Readers will see how a group of kids compares two simple machines and decides which one does a better job at lifting the bag. This book supports engineering design standards for primary grades in the Next Generation Science Standards.
€46.07
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Bahasa Inggeris ● Format PDF ● ISBN 9781467782999 ● Penerbit Lerner Publishing Group ● Diterbitkan 2015 ● Muat turun 3 kali ● Mata wang EUR ● ID 5034069 ● Salin perlindungan Adobe DRM
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