U.s. Geological Survey: Volcanoes of the u.s.

Here is an unusual comparison: the swimming conditions of a sperm cell and a sperm whale. Introduce your physics class to the Reynolds number by sharing this video comparison during your fluid mechanics unit. Afterward, teach them to...

Information about all the volcanoes in the Cascades, which range from Canada in the north to California in the south.

Publication delves into the importance of studying the Earth's history and how we go about doing it. View pictures and diagrams showing the geological time scale and fossil succession.

What does it really mean to know a language? Did you know that knowing two or more languages means that your brain might actually look and work differently than those of your monolingual friends? Discover the three different types of...

Learn more about the hot spot theory developed in 1963 by the Canadian geophysicist J. Tuzo Wilson. Diagrams help you visualize the way hot spots formed geologic structures such as the Hawaiian Islands.

"Explore things on, in, around and about the earth," with this web site dedicated to K-12 education from the United States Geological Survey. Homework help, science topics and fun learning games for students in Kindergarten through High...

Quick, full color animation of a thrust fault, or a high-angle reverse fault.

Read about the destructive process of desertification and how this impacts human beings, how satellite images provide data to document what is happening, and some solutions that have been developed to combat the problem.

Visit the U.S. Geological Survey's website for a wide variety of information on water. Content includes data on water quality, water use, acid rain, among others; publications; information on water resource programs; maps; information on...

An animated illustration explains, in simple terms, the concept of measuring distance using great circles around the Earth.