Describes the history of bobsledding and luge competition, with a look at these sports at the Olympics.

Illustrates the various styles of skiing, from cross-country to downhill, as well as kinds of equipment and clothing.

Briefly discusses the international competition in winter sports, beginning with the Nordic Games in 1908, and describes some of the sports involved, including skiing, ice hockey, skating, and bobsledding.

Describes the orbit, rotation, temperature, and surface formations of the planet Mercury and the probe Mariner X that took pictures of it in 1974 and 1975.

Describes the physical characteristics and behavior of bees.

Describes the physical characteristics, behavior, and life cycle of flies and discusses some of the different kinds.

Describes the physical characteristics, behavior, life cycle, protective devices, and relatives of the praying mantis.

Discusses the discovery, rotation, unique tilt, rings, moons, and other aspects of the seventh planet from the sun.