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.
| ISBN: | 9781467782951 |
| Publication date: | 1st August 2015 |
| Author: | Schuh, Mari |
| Publisher: | Lerner Publishing Group |
| Format: | Ebook (PDF) |