General Sites

• CIA World Factbook The Central Intelligence Agency provides information on the history, people, government, economy, geography, transportation, military, and other issues for nations around the world.  
• Federal Registry for Educational Excellence The Federal Registry for Educational Excellence (FREE) makes it easier to find digital teaching and learning resources created and maintained by the federal government and public and private organizations
• InfoPlease Provides access to Atlas,Thesaurus, Dictionary, Almanac, Math Conversion Tools, A Day In History, and more tools all in one convenient site.
• Khan Academy  A free learning source tailored and personalized for each student K-12. (Includes resources for all subjects.
• Kids Gov A safe place for kids to learn, play games, watch videos, and discover reliable information.  This site covers most subject areas, including, math, science, social studies, geography, science, health, reading and more.
• Knowmia Free video lessons and interactive assignments.
• Maps National Geographic site provides maps and activities across the world.
• Merriam-Webster Trusted source for language information.  Also includes a Thesaurus, Medical Dictionary, and brief Encyclopedia entries.
• MIT Open Courseware MIT (Massachusetts Institute of Technology) Publishes all of their courses online to make them available for everyone.  Includes lectures, course materials and solutions, online textbooks, videos and more.  Courses available in business, computers, engineering, fine arts, humanities, mathematics, sciences, and social sciences. 
• National Geographic Kids Games, curious facts, activities.
• Refdesk.com Quick reference and research links to resources covering multiple topics.
• Thesaurus.com Dictionary, Thesaurus, Word Dynamo, Quotes, Reference, and a Translator together in one site.
• Smithsonian The Smithsonian Institution is the world's largest musuem and research complex in the world.
• Schooltube Upload and share educational videos.
• United States Census Bureau Access data and statistics relating to the United States.
• USA.gov Find government information by topic and agency.
• WatchKnowLearn.org  Free educational videos organized in a directory by subject.
• Wise Old Sayings The Ulitmate Word Games Guide A guide to high quality, free to use word games, grouped into categories for easy reference.
• WordReference.com Language translator for English, French, and Spanish.
• Your Dictionary The Dictionary you can understand.