materials

A simple presentation of how homes are heated, how to use less energy to heat a house, and where that energy comes from.

Discusses the nature and states of matter and examines both natural and synthetic materials such as forest products, rocks, minerals, and metals.

An introduction to various types of materials and their different properties.

Photographs and simple text describes various things that are both natural and human-made.

Describes some of the world's natural materials, such as minerals, and man-made, such as plastics, and the esthetic and functional uses to which they have been put, particularly in the construction of buildings and bridges.

Provides instructions for various experiments and activities involving metal, plastic, fabrics, wood, paper, and other types of materials.

Describes different kinds of materials, their composition and uses, how they are produced, and ways in which to recycle such things as paper, fibers, and metal.

Looks at the natural materials used to make common objects around the house, including clothing, furniture, paper, and plastic.

Contains alphabetically arranged entries that describe the manufacturing processes of thirty-four popular foods, articles of clothing, machines, and creative conveniences, each with information on the item's history or development, raw materials needed for production, design, quality control, by-products, and future products.

Examines how liquids, solids, gases, and other materials are used, and includes easy-to-follow projects to do at home and outside.