Yuma Public Library

Simple text, full-color photographs and illustrations introduce beginning readers to the basic principles of ramps.

"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of wedges. Developed by literary experts for students in grades 2 through 5"--Provided by publisher.

"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of levers. Developed by literary experts for students in grades 2 through 5"--Provided by publisher.

Presents a look at wedges, explaining how these simple machines work and describing some common examples, such as axes, that have been used throughout history.

Presents a look at pulleys, explaining how these simple machines work and describing some common examples that have been used throughout history.

"Presents information on simple machines with a focus on pulleys. Explains what a pulley is, how pulleys work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.

"Presents information on simple machines with a focus on levers. Explains what a lever is, how levers work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.

Looks at the function and everyday uses of screws

"What is an axle, and how does it make life easier for us Earthlings? Join the Maker, a supersmart alien engineer, in a deep dive into axles, from wind turbines to rolling pins"--

"Join the Maker, an alien who knows all about machines, and take a look at wedges. Readers will learn about different types of wedges and how they help make life on Earth easier"--