In this activity, students calculate temperatures during a time in the geologic record when rapid warming occurred using a well known method called 'leaf-margin analysis.' Students determine the percentage of the species that have leaves...

Your river basin is just one part of your ecological address. Your ecological address can tell you a lot about your place in the natural world, whether your street address places you in the middle of a city, on a rural road in the...

This field trip designed for HS science teachers with little or no formal training in geosciences, acquaints participants with the glacial geologic record of a small topographic basin in western Montana. The trip focuses on the landforms...

Single image mosaic from NSSCD Mariner 10 collection. Shows detail of an impact basin with typical ray structures. Thumbnail image links to large graphic file with more detail.

[Free Registration/Login Required] Students read about the Penobscot Indians who lived in the Penobscot River Basin area of central Maine. A question sheet is available to help students build skills in reading comprehension.

Student WebQuest studying biodiversity, preservation, and natural history. Students act as political advisors exploring Mono Lake's life forms the impact humans have on the environment. After researching the issues, students create a...

Home page of the Buzzards Bay Project National Estuary Program. Contains links to mission statement, events/updates, bay & basin info, references to documents related to the organization, links to related sites, legislation, and...

Jerry and Ashley are trying to find out if it is possible to see the lowest point in the USA from the highest point in the USA. It turns out that the highest point in the United States, the peak of Mount Whitney, is only 85 miles from...

Painting on animal hides is a longstanding tradition of the Great Basin and Great Plains people of the United States. Painting, in tandem with oral traditions, functioned to record history.Cotsiogo, a member of the Eastern Shoshone...

The term "tropical-forest foragers," or "pygmies," refers to ethno-linguistically diverse peoples distributed across the forested regions of Central Africa who are particularly short in stature and who traditionally have lived by...

The Paleomap Project illustrates the plate tectonic development of the ocean basins and continents, as well as the changing distribution of land and sea during the past 1,100 million years.

Discover one of the world's great rainforests through this interactive educational site. Locate the Amazon and learn some interesting facts behind this tropical biome.

A concise but detailed history and culture of the Ute Indians.

This resource provides information about the southern Ute Indians in Utah.

Native American peoples throughout the Western region determined their unique lifestyle by their proximity and abundance of natural resources. This article discusses their food practices, social structures, and religious norms.

Read a great description of the topography of Cambodia which takes you from the heights of the mountains to the Gulf of Thailand. From the Country Studies section of the Library of Congress.

This Extreme Science article looks at the Amazon River and it is called the world's greatest river.

Students make observations of a local river, and then formulate a question. Then, through guided inquiry, construct, conduct, and collect data on a question they wish to research. Students keep a field journal of their observations,...

An account of the Persian forces in the Battle of Marathon, how they reached Marathon, their weapons and the result of the battle.

The Formative Period (1500 BCE-300 CE) of Mesoamerican culture is surveyed with an overview of the Olmec culture. Includes discussion of Olmec stone head sculpture, art, building, writing, and other achievements.

In order to complete this internet hunt on Yellowstone, students must peruse through the park's website to find the answers to the questions. A very interesting hunt and one that students will be sure to enjoy!

Explore environmental factors of an area that affect a species' characteristics over time. Construct a "broom" tree, sketch support structures similar to those used by the tall Amazon trees and explain the limitations of such structures.

Compare plants grown in simulated Amazon soil to those grown in soil prepared by the slash-and-burn method. Describe leaf development in plants grown in different soils and chart, average and graph plant growth by height

This site offers information about the Columbia River, its history and gorge geology.