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Text and illustration look at the element silver. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An exploration of Texas, covering the state's land, climate, natural resources, goods, settlers, government, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Provides a cultural and historical context for the development of the United States during the twentieth century, and includes the Great Depression, two world wars, the Cold War, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Provides a cultural and historical context for the development of the United States during the late eighteenth century, and includes taxing the colonies, taking a stand for independence, creating a new country, the Constitutional Convention, the new government, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Explores the geography, history, culture, and economics of the state of Illinois. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An introduction to earthquakes, covering where they occur, how they are measured, how they are studied, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Provides a cultural and historical context for the development of the United States during the Civil War, and includes the problem of slavery, the North and South divided, the secession of the south, the Civil War, reconstruction, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Explores the main beliefs, practices, and places of worship within Christianity. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An exploration of South Carolina, covering the state's land, climate, natural resources, goods, early settlers, government, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Provides a cultural and historical context for the development of the United States during the seventeenth and eighteenth centuries, and includes the first American colonies, the Jamestown settlement, Maryland, the Carolinas, Georgia, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.