Presents information and instructions for activities relating to principles of heat in everyday life.

Examines several aspects of the universe, including galaxies, the lifespan of a star, astronomers, and how the universe was viewed in the past.

Examines the discovery and creation of nuclear energy, its uses, both beneficial and destructive, and the hazards of radioactive waste. Includes related activities.

Explores the nature and properties of light, discussing such topics as refraction, the electromagnetic spectrum, optical illusions, and photons. Includes related activities.

Explains how everything on Earth can be grouped into four states of matter and how matter can change from one state to another by applying heat or pressure. Includes related activities.

Goldie, Diane, and Cheryl find themselves jetsetting to sunny Los Angeles. Goldie befriends a silent film star and takes on a case of stolen film memorabilia.