Teachers, students, and the general public are invited to pose questions to Ocean World's Dr. Bob, an oceanography professor. Full description.

Email a USGS scientist your question on volcanoes, earthquakes, tsunamis, mountains, rocks, maps, ground water, lakes, rivers, even some biology. Explore the USGS website and the Frequently Asked Questions section to see if your question has already been answered. Scientists will not answer some types of questions, so read the directions before submitting a question. Site also features other USGS ... Full description.

Users of this resource may direct questions about global change to staff members at the U.S. Global Change Research Information Office (GCIRO). An archive of previous questions and answers is provided, along with links to other global change sites. Full description.

Selected science questions are posted here and answered at the end of the week. Previous questions of the week and their answers are also listed in reverse chronological order. Full description.

Students who wish to ask a question about the TOPEX/Poseidon satellite or mission may submit their name, email address, and a question by using this online form. Full description.

Astronomer Jonathan Keohane explains and presents evidence for the Big Bang Theory in this "Ask a High Energy Astronomer" question and response. Links to a glossary of astronomical terms are included. This is part of NASA's "Imagine the Universe" collection of resources on high-energy astronomy. Full description.

Ask-A-Scientist is a Windows to the Universe feature that provides answers to users' submitted science questions. Users can check out the most recent questions answered on the first page of the Ask-A-Scientist section of Windows to the Universe, search the Ask-A-Scientist Archives to peruse questions on topics such as Earth, the Sun, the Moon, the Solar System, the Universe, physics, and biology, ... Full description.

Questions and answers for the Argonne National Laboratory Division of Educational Programs Ask-A-Scientist Feature from November 1991 to the present are archived here. There are over five hundred questions relating to the environment and earth science, listed by topic. Some questions have recieved answers from more than one scientist, providing for greater depth of coverage in those instances. Full description.

This user-friendly site provides access to ONR's Cyberscientist. Educators and students can ask questions or read archived ones. Archived Cybermail is searchable and browse-able. Site also provides help on choosing and beginning research papers and science projects. Links are available to other ONR modules, including oceanography and space science, and teacher resources. Full description.

Site is dedicated to ocean education. You will find all kinds of interesting information about things like: the biggest sea animals, marine biology careers, answers to common ocean and animal questions, and more. Check the Answer Archive for answers to your marine science questions, and if you do not find your answer, ask one of their scientists. Site also includes ocean news, world records, and information ... Full description.