Ardley, Neil

Text and pictures introduce musical instruments from early times to the present--from pipes and flutes to electronic synthesizers.

Suggested activities illustrate the properties of air and how air can be used to make things fly.

Describes the construction and operation of an oil rig and the search for and discovery of petroleum.

Discusses the structure of the atom and its role in the production of nuclear energy.

Describes various types of bridges and how they are built and maintained.

Explains electricity, how it works, and its many uses.

Explains the basic principles of magnetism and suggest a variety of experiments which use magnets.

Explains the basic concept of movement--from using muscle power in the early times to today's use of machines.

Describes the characteristics of the various families of instruments and the members of each one.

Presents activities which demonstrate characteristics and qualities of heat and cold.