This is the homepage of the U.S. Navy's research lab in Monterey, California. Visitors can access materials on the lab's six major fields of endeavor: marine geosciences, acoustics, oceanography, marine meteorology, remote sensing, and space science. Links are provided to information on the lab's research projects, product demonstrations, a list of publications, collaborative projects in participation ... Full description.

This lesson focuses upon the scientific phenomenon of El Nino. Learners will also explore the possible link between human-induced global warming, and El Nino as a possible distributor of global warming's extra energy. Links to related sites are included. Full description.

This frequently-asked-questions feature provides answers about earthquakes, faults, plate tectonics, and earth structure. Maps and diagrams are provided with some answers, and links to additional information and to related topics are included. Full description.

This site consists of a digital total sediment thickness map and database for the world's oceans and marginal seas. The data are derived from previously published maps, ocean drilling results (Ocean Drilling Program and Deep Sea Drilling Project), and seismic reflection profiles (National Geophysical Data Center archives and Geological/Geophysical Atlas of the Pacific). Features include a JPEG image ... Full description.

This portal provides links to an extensive list of volcano-related websites for the United States and around the world. Users can access articles, maps, glossaries, webcams, a dictionary of volcanoes, and many other resources. Full description.

This activity will allow the student to look at real-time satellite, radar, and derived imagery to study the growth and development of thunderstorms. Full description.

This is an introduction to the concept of seafloor spreading proposed by Harry Hess in the early 1960's. This site offers multiple links to further examine this geologic hypothesis. Full description.

This is a group of frequently asked questions and answers about Earth's magnetic field and poles, the magnetic compass, magnetic reversals, and geomagnetic models. Links to maps and illustrations are embedded in the text. Full description.

Users can access an extensive selection of Earth Science materials. The institute itself sponsors a series of online exhibits on volcanoes and earthquakes, drinking water, El Nino/La Nina, rockhounding, and petroleum. An extensive selection of links to other resources is also provided. These include geology, geophysics, rocks and minerals, ecosystems, and a set of teacher resources for Earth Science. ... Full description.

This site is provided by the Mineral Resources Program (MRP) of the U.S. Geologic Survey. It is an online geographic information system which covers Earth and the United States. Layers which can be turned on and off feature information on mineral resources, soils, sediments, geologic features, cultural features, land cover, elevation, gravity data, and magnetic data. Full description.