Tires, Spokes, and Sprockets


Book Description

Discusses wheels and axles, what they are and how they are used.




Tires, Spokes, and Sprockets


Book Description

Discusses wheels and axles, what they are and how they are used.




Catalog


Book Description




Hardware


Book Description




The Horseless Age


Book Description




Wheels and Axles to the Rescue


Book Description

Describes wheels and axles, including what they are, how they work, past uses, and common uses of these simple machines today.




Cut, Chop, and Stop


Book Description

Discusses what wedges are and how they are used.




Pull, Lift, and Lower


Book Description

Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and window blinds.




Twist, Dig, and Drill


Book Description

Provides examples showing how screws are simple machines that make joining things together and moving, easier.




Roll, Slope, and Slide


Book Description

Explains how and why ramps and other inclined planes are used in everyday life.