Simple Machines in your HomeBook - 2015 | First edition.
Young readers probably don't realize that brooms are actually machines. The same goes for door handles, stairs, and many other objects that are commonly found in homes. Students will learn about mechanical advantage, force, and energy, and they will be ab
Publisher: New York :, PowerKids Press,, 2015.
Edition: First edition.
Characteristics: 24 pages : colour illustrations.