wedges

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

An exploration of wedges, covering how they are used, their design, how they work, and more.

"Is it easier to lift toys with a wheel and axle or a wedge? Readers will learn about how simple machines work in this book for early readers"--Provided by publisher.

Simple text and color photographs depict examples of wedges in daily life and how they work.

"A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of ramps and wedges. Step-by-step projects range from the simple to the more challenging"--Provided by publisher.

"A foundational look at wedges, explaining how these simple machines work and describing some common examples, such as shovels, that have been used throughout history"--Provided by publisher.

Text and photographs showcase wedges, from their various uses, to how they help in everyday living.

Provides an introduction to wedges, examining how they work, different types, and includes experiments using wedges.

Illustrations and text describe different examples of the use of simple machines known as wedges.

Presents an introduction to wedges, in simple text with illustrations, explaining how they help cut, chop, slice, hold things together, and more.