Open Directory - Kids and Teens: School Time: Reference Tools: Encyclopedias
This category in other languages: [ ] - A free, hand-checked, non-commercial selection from Wikipedia, targeted around the UK National Curriculum. [ ] - Reference site allows you to search over the Columbia Encyclopedia, the Encyclopedia of World History, fact books, thesauri, quotes, and more. [ ] - Collection of articles about famous women written by third and fourth grade students. [ ] - EncycloZine is a concise illustrated encyclopedic portal covering a wide range of topics in the arts, humanities, sciences, and technology. It also features games, puzzles, quizzes, and a multimedia gallery. [ ] - Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial available. [ ] - Links to online Smithsonian resources and answers to frequently asked questions from A to Z. [ ] - Free resource offers more tens of thousands of articles from multiple sources. [ ] - Articles explain how hundreds of things work, from elements of the human body to space-age technology. [ ] - A guide to more than musical 140 instruments from all parts of the world. Includes photographs and descriptions. [ ] - A volunteer-run open content encyclopedia, inspired by the Open Directory Project. [ ] - British online encyclopedia focuses on historical topics. Articles are geared toward students. [ ] - Contains descriptions and definitions of more than 14,000 computer terms and concepts. [ ] - Free volunteer-edited encyclopedia with over 2.1 million articles. [ ] - Offers in-depth information on a variety of subjects and educational activities for children. [ ] - An online encyclopedia with more than 400,000 pages of content.
