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Photographs and text introduce children to the physical characteristics, natural habitats, history, life cycles, and folklore of cougars. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An introduction to the sun, describing what it is made of, its influence on the Earth, its place in the solar system, and more. Includes audio, videos, activities, weblinks, slideshows, maps, quizzes, and supplementary resources.

Photographs and text introduce children to the physical characteristics, natural habitats, history, life cycles, and folklore of alligators. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Presents an introduction to astronauts and tells what it is like to travel and work in space. Includes audio, videos, activities, weblinks, slideshows, maps, quizzes, and supplementary resources.

Looks at the causes, locations, history, and all-time records of hurricanes. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Presents an introduction to water power, in simple text with illustrations, including information on water power in history, hydroelectric dams, tidal power, steam power, and related topics. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An introduction to skateboarding that covers equipment, competition qualification, tricks, stars, and other related topics. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resource.

Photographs and simple text teach young readers about the sense of smell. Includes audio, videos, activities, weblinks, slideshows, maps, quizzes, and supplementary resources.

Photographs and simple text teach young readers about the sense of sight. Includes audio, videos, activities, weblinks, slideshows, maps, quizzes, and supplementary resources.

An introduction to oceans, lakes, and rivers that discusses their role in the water cycle and examines how water is used and protected and includes a quiz and an activity. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.