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.
Kup ten ebook, a 1 kolejny otrzymasz GRATIS!
Język Angielski ● Format PDF ● ISBN 9781467782999 ● Wydawca Lerner Publishing Group ● Opublikowany 2015 ● Do pobrania 3 czasy ● Waluta EUR ● ID 5034069 ● Ochrona przed kopiowaniem Adobe DRM
Wymaga czytnika ebooków obsługującego DRM