Students examine the way bison eat and digest their food. Using a diagram, they follow the food from one compartment to the next. They discover that bison are ruminants and discuss why the bison need four stomachs.

Students locate bison-related sites on a map and identify important bison-related sites. The Bison has had a profound effect on the history of Texas and studenst discover the importance of the animal to the history of the state.

Pupils discuss how animals are cared for when they are captured. Using calculations, they determine how much food and water it takes for one bison and compare their water intake to humans. They also compare their weight to that of a...

Students experiment with a simulated river bed and examine how erosion takes place faster with a young, fast-moving river than with a slow, older river.

Students examine the archeology of the Mississippi River Valley. Using the internet, they expand their research to include how the Native Americans in California used plants to meet their needs. They also research a Native American...

In this exploring Idaho worksheet, 4th graders complete ten multiple choice statements about interesting places in the state of Idaho.

In this Idaho learning exercise, students match vocabulary words about Idaho to their descriptions. Students match 10 words to their descriptions.

In this oil spills activity, students write facts about the research they find about the oil spills asked. Students complete answers for 20 oil spills.

Students examine the population growth of the United States.  In this Geography lesson, students construct a map of the fifty states.  Students create a graph of the population of the USA. 

In this Idaho activity, learners complete 20 questions about Idaho trivia. Students may click on an answer button for immediate feedback.

Extensive information about the geology of the Grand Canyon. Looks at some principles of geology evident there, forces that have shaped its geological features, how its valleys and canyons were formed, the characteristics of the Colorado...

Our Documents is home to one hundred milestone documents that influenced that course of American history and American democracy. Includes full-page scans of each document, transcriptions, background information on their significance, and...

Students will use websites and other resources to find information about the following landforms: mountains, canyons, and valleys.

Within the rocky landscape of Mars you will find the Mariner Valley. This expansive landform is as deep as the Grand Canyon and encompasses an area as wide as the distance between New York and Los Angeles.

Flight From Bear Canyon, an adventure novel written by Anita Daher, is set in the Nahanni River Valley of Canada's Northwest Territories. It tells the story of a young girl's experience as she flies a plane and helps to save the life of...

In this lesson, students learn about major landforms (e.g., mountains, rivers, plains, valleys, canyons and plateaus) and how they occur on the Earth's surface. They learn about the civil and geotechnical engineering applications of...

Describes different landform types and their features. includes many good quality photographs.

A map from 1911 of a part of the Colorado Valley in western Arizona near Pyramid Canyon and Eagle Rocks, showing an old gravel-filled channel on the right and a rock channel on the left. The map is keyed to show the Andesite rock...

A fascinating look at the building of the irrigation tunnel that brought water into the arid Uncompahgre Valley in Colorado. President Theodore Roosevelt's interest in conservation and his interest in the National Reclamation Act of 1902...

Understand the formation and geology of different landforms around the Earth.

Referred to as the "greatest Californian," John Muir was a writer and conservationalist. Use this site to learn about Muir's inspirational views about nature and the establishment of the United States National Park System.

A very simple overview of various land forms and their characteristics: peninsula, cape, isthmus, valley, canyon, cliff, and swamp.