Student is directed to click on the flashing words search engine and receives written directions for entering information to locate an answer. Check the answer by clicking on the Answer Button following the the question. The Mineral and Gemstone Kingdom Sort and view minerals by alphabetical order, chemical group, color, streak, hardness, crystal group, and elemental affiliations. Also learn about gemstones and display them by several different categories. Students' Volcano Homepages These include an annotated and imaged field trip created by eighth graders from Waikea School, Hawaii.
Source of information is students and is easy to understand.
Quality of content seems excellent. Images take from a few seconds to 2 minutes to load. This site provides links to fantastic information and photographs of rocks, minerals, and gemstones. There is also advice for being a successful rock collector. The USGS Learning Web in Virginia has one section devoted to volcanoes.