machinery

Explanation of many inventive mega machines including military airplanes, the smallest and longest automobiles, and the fastest elevators.

An introduction to the characteristics and functions of very large machines such as cranes, tractors, trailer trucks, oil tankers, aircraft carriers, and others.

Presents a variety of large machines that cut, carry, and move things, including combines, tub grinders, tower cranes, and offshore oil rigs.

Introduces the science behind forces and machines, with examples such as the use of gravity, friction, levers, and pulleys to make machines work. Includes simple experiments.

Describes five simple machines--lever, wheel, inclined plane, screw, and wedge--and explains how they work.

Collection of projects students can make to help them learn about science. Subjects include mechanics, air power, electricity and magnetism, chemistry, acoustics, and optics.

A color-illustrated overview of how machines work that describes such topics as wheels and axles, pulleys, engines and motors, and wind and water power, and presents step-by-step instructions for related projects.

Discusses the invention of six simple machines in various ancient civilizations from the Stone Age to the fall of the Roman Empire.

Discusses various machines and how they work. Includes experiments.

Including photographs and stories of the weird and wonderful from "Ripley's Believe It or Not!," this book describes some astonishing facts about powerful machines and vehicles.