The American beaver is North America's largest rodent. Use this resource to discover more about this beaver known for building dams, canals, and lodges.

Read the history of the Tennessee River Valley and the tension between private enterprise and government in the development of electricity and, surprisingly, fertilizer. Find out how the Tennessee Valley Authority was developed during...

This is a site that will combine science and current events. Young scholars will learn about the Three Gorges hydroelectric project on China's Yangtze River then develop arguments on the benefits or disadvantages of the Three Gorges...

A great site from The Evergreen Project that provides information about watersheds, how a stream becomes a river, when rivers run into the ocean, longest rivers of the world and much more. There are also other sections of this site that...

In this instructional activity students will begin by looking at a series of maps and they will brainstorm ways the natural world may interact with humans and vice-versa. Students will then come up with a list of features of a city or...

[Free Registration/Login Required] An informational text about floods. A question sheet is available to help students build skills in reading comprehension.

This page recognizes the efforts of Laura Ingersoll Secord, a Canadian heroine, who walked 20 miles to warn the British that the Americans were coming. The ensuing victory helped prevent American control of Canada

InterKnowledge Corp provides basic facts about the location, geography, climate, history and culture of the country Ghana.

Map the geographical area of a watershed, evaluate watershed use and describe land use practices of the people within one. Investigate the events surrounding the war over the Owens River in California at the turn of the 20th century.

This site contains very informative content about the the Columbia River. Find out about its location, tributaries, uses, and history.

This site is provided for by the Monroe County Women's Disability Network. Some basic information about water on our planet and the various water forms that make up three-quarters of the earth's surface. Includes some simple quizzes to...

Site provides information about Egyptian geography. Describes the importance of the Nile River and the Nile River Valley.

Facts and information about hydroelectric power in the Tennessee Valley. Diagrams and schematics of a hydroelectric power plant provided.

[Free Registration/Login Required] This flipchart has over 40 pages of Nevada History: Events, famous/influential people, geography, economy, etc. All web sites used for information are cited. This lesson is geared towards grades 3 - 5...

[Free Registration/Login Required] This lesson is a follow up quiz to the Nevada History Flipchart. It is geared towards intermediate grades (3-5) and quizzes students on their comprehension of basic Nevada History. There are also some...

A brief look at Theodore Roosevelt's interest in opening up the West to settlement and agriculture by making water available through water reclamation projects.

An image of Nevada State Monuments.

An image of Nevada State Monuments.

A vertical cross-section chart from 1906 of the Panama Canal showing elevation and the location of locks. "The canal extends from a six-fathom line in Colon harbor on the Atlantic to a six-fathom line off Panama on the Pacific. The first...

A map from 1920 of the Panama Canal showing the channel route from Colon to the city of Panama with the miles given along the route from Colon, railroad route, lakes, reservoirs, the Gatun dam, locks, and towns along the canal. The map...

A map from 1902 of the Dominion of Canada, showing provinces, province capitals and major cities, railroads, canals, mountain systems, lakes, rivers, and coastal features. Symbols on the map indicate the head of navigable rivers (anchor...

"Northeast China - the provinces of Heilungkiang, Kirin, and Liaoning - is the most important region of the country and a nationally significant and still-developing center of agricultural production. Most of the Northeast remained...

A map from 1911 of the Panama Canal, showing the line of the canal with the miles from Colon given (49 miles from Colon to Panama City), the existing and proposed location of the Panama Railroad, dams, feeding rivers and mountains, towns...

A map from 1912 of the Panama Canal showing the line of the canal, areas of navigable water, and areas of shallow water that have less depth than the canal. This map also shows the location of cities, dams, the Panama Railroad, and the...