In this learning activity, students will analyze different lakes using the Lake Finder program on the Minnesota Department of Natural Resources website to research lake characteristics and their health. Students will be completing a...

A comprehensive exploration of rivers and lakes, their importance to biodiversity and to humans, how we use them, threats they face, and what is being done to conserve them.

Article reports on an unusual lake in Africa in which the water perfectly perserves the remains of dead animals like mummies. Includes video.

Students will add acidity to a healthy lake to see what happens to plants and animals in this interactive activity adapted from EcoKids.

What causes lake-effect snow? This website will explore the basics with pictures and animations.

This site provides facts, illustrations, and more about the largest Great Lake. Includes descriptions of wildlife and industry. For grades 4-8.

What is a lake? Discover the answer to this question when you explore this informative resource. This site provides information on how temperature and seasonal changes effects lakes, how lakes are formed, how lakes compare in numbers to...

A complete site that examines the geology of a lake, anatomy of a lake, seasons of a lake, and the life span of a lake.

Alberta has different kinds of wetlands, which each offer benefits to the surrounding environments, such as good water quality, increased biodiversity and lake shoreline stabilization, for example. This fact sheet explains their importance.

The EPA profiles the Great Lakes ecosystem, their ecological protection and restoration, wetlands, shorelands, pollution prevention, and so on. Click "Visualizing the Great Lakes" for pictures of the lake environment.

The Great Lakes Science Center provides research on various topics concerning the Great Lake environment such as fish advisories, contaminants, threatened species, low water levels, and sustainable development of the Lakes.

This map of the Great Lakes region in Africa from the United Nations shows the large lakes, the countries the lakes touch, and rivers that flow into and out of the lakes.

The United Nations offers this very clear map of part of the Great Lakes region in eastern Africa. The lakes, of course, are labeled, as are the rivers, major cities, and countries.

In this field investigation students will travel to Bonanza Educational center located on Big Stone Lake. The students will hike up the prairie where they will sit and sketch the topography of the land. The students will then travel down...

Information about the quality of water in the Great Lakes and the agreement signed by the United States and Canada in response to problems with the quality of the water.

This site details the signing and revision of the Great Lakes Water Quality Agreement by the United States and Canada. Includes a copy of the revised agreement of 1978.

This dramatic interactive delves into the depths to explore the many shipwrecks which have taken place off the coast of Michigan's Great Lakes. Each of the four main topics opens into additional extensive and detailed information. Click...

This illustrated website features facts about lakes and ponds and their special place in geography, natural history, and as a biome.

This 2001 exhibit focused on the EPA's Great Lakes National Program Office's work to ensure the protection and restoration of the Great Lakes in the areas of chemical contamination and habitat loss.

Learn about the biotic and abiotic factors of lakes and ponds as well as learning how lakes form through reading and video clips.

[Free Registration/Login Required] An informational text about problems in the Great Lakes including: toxic substances, over fishing, invasive species, and more. A question sheet is available to help students build skills in reading...

The most common problem on the Catawba River and its lakes is sedimentation. Sediment carried by stormwater runoff from construction sites in North Carolina has been documented as the leading source of non-point source pollution to...

This site profiles the elements of the Great Lakes' ecosystems and habitats.

Contains an audio recording and text of the poem "The Lake Isle of Innisfree" by W. B. Yeats provided by the Academy of American Poets.