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Earth scientists from the USGS will answer questions about rocks, volcanoes, earthquakes, mountains, maps, ground water, lakes, or rivers, but be sure to check the archive of answered questions before you write to them.

The Geology and Geophysics Department at the University of Hawaii offers to answer questions concerning volcanoes; earthquakes and seismology; natural hazards; environment and hydrology; sediments and sedimentary rocks; igneous rocks; and minerals and ores.

Ask a Volcanologist
Although the area of "Ask a Volcanologist" where you can actually submit questions has been discontinued, there is still a very large archive of previously asked questions and their answers, separated into categories (and includes a section on Mt. St. Helens).

Ask the Experts at Scientific American
Scientists answer questions about geology, astronomy, biology, chemistry, computers, the environment, mathematics, medicine, and physics.

Mad Scientist Network
Includes a thorough archive of answered questions in all science disciplines, an area to submit a question of your own, links to other Ask a Scientist sites, and information about careers in science.

Join the Sciences
This article is aimed at high school/college students, urging them to consider a career in the sciences, but there is some useful info that you may be able to extract and share with your students about what sedimentary geologists do. | © 2004 The Franklin Institute - All rights reserved.