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A brief history of elections and voting and an explanation of how these procedures work in the United States today.

Describes the structure, function, and interrelationship of the two houses of Congress.

Describes various types of wetlands, their ecological importance, and the plants and animals found there.

Describes, in simple terms, how the Constitution was conceived, written, and ratified in 1788, explaining the document's basic concepts and Bill of Rights.

Illustrates some basic principles of science, based on experiments and tricks using straws, paper, drinking glasses, and coins.

Presents experiments which demonstrate the properties of water.

Discusses the giant planet, how it was named, and the information astronomers have gathered about it.

Briefly discusses sound, pitch, sound travel, sound waves, vibration, frequency, length, and thickness, with simple experiments to demonstrate each concept.

Suggests experiments introducing magnets and magnetism, demonstrating the magnetic field and the properties, strength, and uses of magnets.

Discusses the climate and locations of jungles and describes the plants, animals, and people that live in jungles.

Presents experiments which demonstrate the properties of air.

Describes the movements and destructive power of hurricanes and explains how they are predicted and monitored.

Describes the earth's many ice ages, with an emphasis on the climate, people, and animals of the last great ice age.

Discusses the behavior and the habitats of different kinds of animals and what can be learned by observing birds, mammals, insects, and other kinds of wildlife.

Introduces animals, freely moving about the African forests and plains.