Explains what wheels and axles are, how they work, and examples of common objects with wheels and axles. Concludes with a picture diagram of various simple machines mentioned in the book.

"Through carefully leveled text and powerful images, explores wheels and axles, useful simple machines"--Provided by publisher.

A story in poetry form about taking a night ride on a ferris wheel.

Simple text and photographs explain the basic science behind wheels and gears.

Chaz has to solve a mystery that threatens his father's new business venture of operating a Ferris wheel similar to the London Eye.

Provides a history of the development of transportation technology, including an overview of wheels, ships, airplanes, and spaceships. Includes a quiz, a glossary, and a link to further resources.

"In this book, readers will learn about one of the six simple machines as described by Renaissance scientists. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn how wheels and axles make work easier by moving objects across distances"--Provided by the publisher.

Bill has a new bicycle with four wheels, but as he rides and rides he loses wheels one at a time until he finds out just how many he needs to have.