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.
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Language English ● Format PDF ● ISBN 9781467782999 ● Publisher Lerner Publishing Group ● Published 2015 ● Downloadable 3 times ● Currency EUR ● ID 5034069 ● Copy protection Adobe DRM
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