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.
€45.09
Sprache Englisch ● Format PDF ● ISBN 9781467782951 ● Verlag Lerner Publishing Group ● Erscheinungsjahr 2015 ● herunterladbar 3 mal ● Währung EUR ● ID 5034067 ● Kopierschutz Adobe DRM
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