Wheels
How can a cart roll down a hill? Why is it faster to travel by bike than by foot? Wheels make it happen! This book introduces readers to the simple technology that makes a big difference in our world. Readers will discover the parts of the wheel and how they work, as well as how wheels are used to do big jobs. Fun illustrations are paired with accessible text covering familiar situations to make this science and technology topic come to life. Readers will love looking at all the ways we use wheels in the real world!.