USGS Learning Web
- Educational resources for the earth sciences from the U.S. Geological Survey.
- http://education.usgs.gov

EarthNet
- Earth science information for both teachers and students. Glossary, lesson plans, extensive links, lists of topics, and other resources.
- http://earthnet-geonet.ca/

International Geoscience Education Organisation
- Goal is to work for the improvement of education within the earth science fields, especially in K-12 grades. Page includes newsletters and conference schedule.
- http://www.geoscied.org/

Earth Science from Moorland School
- Earth science for schools including the rock cycle, plate tectonics, planetary structure and origins, volcanoes, atmosphere, fossil fuels and polymers.
- http://www.moorlandschool.co.uk/earth/

Water Science for Schools
- Information on many aspects of water, along with pictures, data, maps, and an interactive center.
- http://ga.water.usgs.gov/edu/

California Underground: Our Caves and Subterranean Habitats
- Educational materials and photographic tours on the formation and occurrence of different types of caves, cave biology, and cave conservation.
- http://www.museumca.org/caves/onli_realm.html

Earth Fact Sheet
- Basic earth statistics from the NSSDC.
- http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html

Earth Science Resource Center
- A division of the Office of Special Programs and Continuing Education at the Colorado School of Mines. The ESRC publishes relevant science-related materials.
- http://www.mines.edu/Outreach/Cont_Ed/esrc.shtml

Science for Everyone
- Collections of recent articles on topics related to the science of planet Earth. From AGU.
- http://earth.agu.org/sci_soc/everyone.html

Museums Teaching Planet Earth
- Educational earth science resources and software produced by Rice University in collaboration with the Houston Museum of Natural Science, funded by NASA under the Office of Earth Science
- http://earth.rice.edu/mtpe/

Exploration of the Earth's Magnetosphere
- Detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of more than 70 related text files.
- http://www-spof.gsfc.nasa.gov/Education/Intro.html

NASA Planetary Science Research Discoveries
- An educational on-line magazine describing discoveries in planetary and space sciences. Written for teachers, students, and the general public.
- http://www.psrd.hawaii.edu/index.html

Adirondack Science Online
- Educational program using the Adirondack mountains. Includes areas for contributing data, reporting events, discussing observations, and learning from findings.
- http://www.adkscience.org/

Our Dynamic Earth
- Interactive exhibits about planet earth. Utilises the QuickTime, Shockwave and Acrobat Reader plug-ins.
- http://www.dynamicearth.co.uk/