machinery

Pictures and text describe a small selection of the thousands of machines invented over the past 300 years.

Describes the various kinds of huge machines used to move ores and other bulky and heavy materials from one place to another.

Photographs and simple text present some of the different machines used on farms, including tractors, cultivators, balers, and combine harvesters.

Charlie Brown and the rest of the Peanuts gang help present a host of facts about a wide variety of simple and complex machines in question and answer format.

Contains illustrated, step-by-step instructions for creating science fair projects based on machines and work, featuring a review of the scientific process, and describing nine inexpensive projects for all ability levels, each with a list of resources and extension ideas.

Instructions for a variety of projects and experiments that examine different kinds of machines and how they work.

Presents the history of technological development and describes inventions that changed history, such as the printing press, gunpowder, and the steam engine, using a question and answer format.

Presents information on the machines that are used in road and house construction, forestry, and mining, in simple text with photographs, and includes cement mixers, excavators, bulldozers, dumptrucks, tractors, and cranes.

Numbered and labeled photographs of ten large machines, including a truck, a bulldozer, a combine harvester, and a snow plough.

Describes the parts of a snowplow, how it works, and the work it does to clear the roads of ice and snow.