Debt is a topic that affects everybody: the community, the nation, and the entire globe. Kids take charge of debt by designing a project that informs those in their community about good financial choices, keeps personal debt low, and...

Students explore habitats. in this ecology and animal habitat lesson, students listen to the book A House is a House for Me by Mary Ann Hoberman. Students discuss the basic needs of animals and go on a nature walk to observe animal...

Wikipedia offers detailed information on a planned economy, including support, objections, planned economy and socialism, transition from planned to market economy, and related articles.

Wikipedia gives an excellent definition of the term, "Tariff," including different types of tariffs, tariff rules, and more.

Wikipedia offers detailed information on the history, structure, and recognition of the Great Wall of China.

Wikipedia offers an encyclopedia article focused on satellite radio. Content includes a focus on satellite radio in the United States and Britain.

Wikipedia offers a comprehensive biography of the late Fred Rogers, the host of the PBS children's television show "Mister Rogers' Neighborhood." Content includes a focus on Rogers' life and work, his impact through his television show,...

An encyclopedia article from Wikipedia on the Forbidden City gives a history of the structure and gives some interesting facts about its design.

A Wikipedia entry on Islamic architecture with information on typical elements of Islamic style, common interpretations, influences, and links to related topics.

Wikipedia, a publically-maintained wiki, offers information on the German city of Trier, including its well-preserved Roman buildings, city gate, and baths. There are images and external links, as well.

An in-depth encyclopedia article from Wikipedia on economist John Maynard Keynes details his life and professional works, and gives information about his skills as an investor.

Wikipedia offers detailed information on share, or stock. Includes much information on buying, selling, and trading stock.

Wikipedia provides a definition of crop rotation, including a brief history and examples.

Wikipedia provides information on orthodontics, including the methods, conditions, diagnosis and treatment planning, and training.

Wikipedia offers a basic description of what the Very Large Array (VLA) is, along with a close-up picture of the VLA.

The article from Wikipedia on the Eiffel Tower discusses the history of the monument and its construction. It also describes the tower's famous ironwork and tells of its significance to the city of Paris.

This Wikipedia online encyclopedia site offers a brief biography of Eli Whitney (1765-1825 CE), inventor of the cotton gin and many other things. The encyclopedia entry provides many hyperlinks to terms as well as an illustration of...

Wikipedia provides a simple definition of the term, "Video," including many hyperlinked words and an external link.

An in-depth encyclopedia article on real property is found here. It discusses what real property is, the ways it can be held, the definitions of estates in land, and the difference in estates being held jointly as joint tenants or as...

An encyclopedia article on price fixing discusses what it is, gives examples of different methods of price fixing, example of price fixing in international settings, and information about the allegations that the U.S. record industry...

Have you ever wanted to grow plants without soil? This site will give you seven techniques to do just this. Additionally, learn about the history of hydroponics, problems associated with hydroponics, and possible future uses.

Detailed information on the Great Pyramid of Giza, including discussions of its construction, materials used, dimensions, purpose, maps, and photographs.

Science Daily offers a brief paragraph of information on Mont Saint Michel, home to the Benedictine Abbey Church.

This Wikipedia page briefly provides the definition of an urban planner and provides links to related terms.