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Simple machines
Titre:
Simple machines
PERSONAL_AUTHOR_EPSB:
Sommaire:
"Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out!"Amazon website.
Date de publication comme intervalle:
2015
SERIES_EPSB:
Description matérielle:
pages cm.
Terme de vedette-matière:
Vedette secondaire auteur:
Numéro international normalisé des livres (ISBN):
9780062321480
9780062321473
Informations de publication:
New York, NY : Harper, an imprint of HarperCollins Publishers, [2015]