Other editions of book Wheels

Readers learn how this simple machine makes it easier to move things from one place to another. They also learn a wheel works with an axle. By the end of the book, readers know the difference between complex and simple machines and how wheels are used in everyday life to make work easier.

Introduces wheels, including how they function with axles to create simple machines, their role in reducing friction, and how they are used in everyday objects to make life easier.