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.
Beli ebook ini dan dapatkan 1 lagi PERCUMA!
Bahasa Inggeris ● Format PDF ● ISBN 9781467782951 ● Penerbit Lerner Publishing Group ● Diterbitkan 2015 ● Muat turun 3 kali ● Mata wang EUR ● ID 5034067 ● Salin perlindungan Adobe DRM
Memerlukan pembaca ebook yang mampu DRM