Parker, Lewis

Presents an introduction to plant and animal classification, in simple text with illustrations.

Describes the history and characteristics of light, examining how light is used and what makes color.

An introduction to matter that explains its three forms--solid, liquid, and gas--and discusses how it can be classified.

Introduces young students to the basic concepts of force and motion and their applications in life.

A short study describing how magnets work, the rules of magnetism, natural magnets, and artificial magnets.

Presents an introduction to hearing and sound, in simple text with illustrations, providing information on the structure of the human ear, how people hear, as well as volume, pitch, frequency, and acoustics.

Presents an introduction to electrical circuits, in simple text with illustrations, providing information on electricity in nature, simple circuits, parallel circuits, batteries, and more.

Explains what gravity is, introduces the ideas of notable scientists about gravity, looks at the effects of gravity on Earth, and discusses the center of gravity, and acceleration. Includes Internet connections and resources for further reading.