Patricia Armentrout

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

A guide to the state seals and their historic background.

Focuses on the importance of basic training in the fundamentals of hockey and provides practice drills and training exercises to help young players achieve their goal of playing better hockey.

Explains the formation of the United States Constitution, the people involved in getting it ratified, and how it changed government.

Discusses the origins, development and different aspects of the popular musical style, known as rap.

In this series, you'll explore six simple machines. Each book describes a different one and explains how it helps make our work easier. Experiments and activities give you the chance to work with each simple machine. You'll be surprised at how many you've been using all along! - Back cover.