Is it easier to move heavy box with an inclined plane 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 transporting the box. This book supports engineering design standards for primary grades in the Next Generation Science Standards.
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Bahasa Inggris ● Format PDF ● ISBN 9781467782951 ● Penerbit Lerner Publishing Group ● Diterbitkan 2015 ● Diunduh 3 kali ● Mata uang EUR ● ID 5034067 ● Perlindungan salinan Adobe DRM
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