interactive multimedia

Explores the characteristics and interactions of the digestive system, its makeup, and importance. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Explores the characteristics and interactions of the cardiovascular system, its makeup, and importance. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Discusses force and motion, covering what it is, the science behind it, people involved with its discovery, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Discusses matter and its properties, covering what it is, the science behind it, people involved with its discovery, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Discusses electricity, covering what it is, the science behind it, people involved with its invention, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

A collection of primary source documents and pictures focusing on the Great Depression and the New Deal.

Presents a curriculum for teaching primary writing, featuring video and print resources on CD-ROM.

Describes the symptoms and treatments of over 650 illnesses and disorders, including information on health, fitness, and human anatomy.

Interactive atlas with over 600 zoomable maps, over 500 color photographs and video sequences, gazetter with 25,000 place names linked to the maps, and over 7,000 pop-up windows with information on population, natural resources, climate, and country overviews.