Internet Field Trip: To Learn More About Soil Internet Links U.S. Department of Agriculture: Natural Resources Conservation Service S.K. Worm Answers Your Questions About Soil and Stuff! Get soil-smart by worming your way through these questions. http://www.nrcs.usda.gov/feature/education/squirm/skworm.html Agricultural Research Service Sci4Kids: Soil Explore the treasures of trash and how worms help farmers with gardening. http://www.ars.usda.gov/is/kids/soil/soilintro.htm Internet Field Trip: Rocks and Minerals Internet Links VolcanoWorld: Rocks and Minerals Slide Show Enjoy the rocks and minerals slide show. http://www.volcanoworld.org/vwdocs/ vwlessons/lessons/Slideshow/Slideindex.html Mine Safety and Health Administration: Kids' Page Go prospecting and learn about the mineral resources of the U.S.A. http://www.msha.gov/KIDS/KIDSHP.HTM San Diego Natural History Museum: Mineral Matters: Kids' Habitat Learn how to collect, clean, and identify minerals http://www.sdnhm.org/kids/minerals/index.html