Presents encyclopedic information on various fields of scientific study, including physics, chemistry, biology, astronomy, and Earth science.

Why do things float? How do magnets work? What is gravity? The answers to these questions and more can be found in this fact-filled book. Simple, easy-to-read t

Offers an illustrated encyclopedia of general science, with informative and fun facts on a broad array of scientific topics.

Simply test showing illustrations for young readers.

Contains clear explanations of more than 2,500 scientific terms, and includes listings for 1,000 recommended Web sites.