Carex communis habit
Carex communis habit. For context, see: Carex communis species page and Carex Interactive Identification Key.
River Systems: Process and Form
This site provides access to a number of visual resources and supporting material about physical processes acting in rivers and floodplains. Visualizations include simple animations, visual output from numerical models, sediment transfer movies, and numerous static illustrations and photos. Resources can be integrated into lectures, labs, classes, or other activities about fluvial processes and landscape evolution over time.
Crystal Morphology, Crystal Symmetry, Crystallographic Axes
This site is a lecture from Tulane University that explores the symmetry observed in crystals. Topics covered include crystallographic axes, the crystal lattice, and unit cells. Tables and illustrations accompany the text.
The Atmosphere And Its Relation To The Crust And Hydrosphere
This site provides an illustrated lecture from a geochemistry course offered by Dr. Scott Wood at the University of Idaho. Topics include a review of the structure and formation of the Earth's crust, atmosphere, and hydrological cycle, and the composition of the atmosphere. Additional topics covered are the concept of residence time, geological and biological sources of components in the atmosphere, acid-base theory, Henry's law and the solubility of gases in water, primary and secondary air pol
Waterfall Formation and Nick Point Migration
This site provides a variety of visual resources about waterfalls. Flash animations show how waterfalls, plunge pools and gorges are created by the erosion of underlying rock by flowing water. A QuickTime movie gives examples of large-scale waterfalls from around the world, and an interactive diagram illustrates how falling water is used to generate hydroelectric power. These resources are suitable for integration into lectures, labs, or other activities.
Cause of Seasons Animations
This site features Flash, QuickTime, and GIF animations that illustrate the cause of seasons, how seasons impact the sun's apparent path across the Earth's sky, the subsolar point, and the circle of illumination. The animations can be paused and rewound to stress important points. These resources are suitable for use in lectures, labs, or other teaching activities.
An American Success Story: The Pope House of Raleigh, NC
tells the story of Manassa Pope, the first black man to receive a medical license in North Carolina (1886). After practicing medicine and helping establish a drug store and insurance company in Charlotte, Pope moved his family to Raleigh. There he continued his medical practice, built an elegant house (equipped with the latest technologies) located in the best place allowed for a black family in a segregated city. He later ran for mayor.
Skagway: Gateway to the Klondike
examines the impact of the Klondike Gold Rush on the development of Skagway, Alaska. This lesson allows students to trace the development of Skagway from a homestead, to a gold rush boomtown, to a permanent city.
Outline of Prehistory and History
This site outlines historical features of the Southeast U.S. and the Caribbean culture regions. Learn about the natural history of the area, its native populations, exploration, colonization, and maritime history. The site also includes a feature on underwater archeology.
Two American Entrepreneurs: Madam C.J. Walker and J.C. Penney
This site features the life stories of two business people who lived the American Dream and who helped make that dream a reality for others in their communities. It tells how Walker, an African American woman, and Penney, a former tuberculosis patient, built from scratch their multi-million and billion dollar businesses.
Lexington, Kentucky: The Athens of the West
highlights 29 places that illustrate the transformation of the city from a small frontier post during the Revolutionary War into a center of economic, intellectual, and political activity. Photos, maps, and essays are included.
The United States Air Force Academy: Founding a Proud Tradition
recounts the history of aviation and the military: aviation's entry into the military during World War I, Germany's use of air power early in World War II, Pearl Harbor, the Berlin Airlift, Hiroshima and Nagasaki, and President Eisenhower's declaration that our first line of defense would be an air atomic strike force. The site examines the design of the Air Force Academy, authorized in 1954 after 30 years of struggle.
The Battle of Oriskany: Blood Shed a Stream Running Down
tells how long-standing prejudices and the Revolutionary War unleashed massive bloodshed among inhabitants of New York's Mohawk Valley. Located in rich farmland and at a strategic point in a fur trade route, the valley had been settled by European immigrants who had prospered from productive farms and lucrative trade. As war broke out, everyone had to choose sides: Rebel or Tory. It was not easy for many. Five hundred years of unity among the Six Nations was broken.
Coso Rock Art
examines one of the most extensive and best-preserved concentrations of prehistoric rock art in the U.S. See photos and learn about the people who made these 250,000 drawings on rocks at China Lake, California, 1000 to 3000 years ago.
Mammoth Cave: Its Explorers, Miners, Archeologists, and Visitors
explores a cave in southwestern Kentucky that, with more than 345 miles of explored passageways, is the longest cave in the world.
Carlsbad Caverns National Park
This is the website of this park in the Guadalupe Mountains (New Mexico) that contains 86 known caves, including Carlsbad Cavern, home of one of the world's largest underground chambers. The website offers a cultural history of the area and a teacher's guide About Bats, Caves, and Deserts.
Teacher's Guide to Craters of the Moon
Provides lesson ideas for learning about the geology, history, and ecology of this national park near Arco, Idaho. A high school unit on Managing Critical Resources at Craters of the Moon focuses on degradation of geologic features, water and air quality, and the balance of life of lava. Craters of the Moon National Park offers one of the best examples of basaltic volcanism in the world.
Chesterwood: Workshop of an American Sculptor
describes the work and estate of one of America's most important sculptors. Daniel Chester French (1850-1931) produced more than 100 works?the statue of Abraham Lincoln for the Lincoln Memorial?during a period when sculptors enjoyed high status. Models and sketches from the Lincoln project, which took nine years, are provided, as are photos of the farmhouse that he converted into his estate and workshop.
Representing History: Cambodia - Through the Shadows
This unit introduces students to the modern history of Cambodia in the context of the Cold War. It examines the relationship between Cambodia and Vietnam and the way both countries became drawn into the power struggle between the US and Western capitalism and the Sino Soviet communist axis in the east. Through viewing and discussion of the video and investigating the web resources, students can begin to understand the conventions of documentary in offering access to a version of the truth.
Protesting Corporate Globalization
In this lesson students will explore the different ways that corporate globalization affects society.