Put Wheels and Axles to the TestBook - 2012
Presents information about what wheels and axles are and how they help people to do work more easily, and suggests ways for readers to use common items to experience for themselves how these simple machines work.
Publisher: Minneapolis, MN : Lerner Publications Co., c2012.
Branch Call Number: 621.8 WAL J
Characteristics: 40 p. : col. ill. ; 24 cm.