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Reference & fact sources

Simple Wikipedia

User-maintained encyclopedia using Basic English vocabulary and shorter sentences, easier to understand normally complex terms or phrases.

Video encyclopedia in 1, 2 and 3 minutes. Curated, filtered environment; constructed specifically for education and curated by professional experts in different fields 

Fact Monster (cite tool)

Reference site for students, teachers, and parents. (cite tool)

Facts, biographies, etc.


World Almanac

Free learning resources


World Atlas

Continents, countries, feature articles...


The CIA World Fact Book

Facts on every country


The Encyclopedia of Life

The Encyclopedia of Life is a giant work in progress: the idea is to generate a page on every species known to science.

100 resources including encyclopedias, dictionaries, thesauruses…

The Encyclopedia Smithsonian

High quality stuff on subjects as diverse as aeronautics and zoology.

How Stuff Works

Explains thousands of topics

Seriously Amazing by the Smithsonian Institute

The Smithsonian asks and answers questions every day about science, art, history and culture.

Internet Public Library

Librarian curated directory (closed). See pathfinders.

Internet Public Library - Kidspace

Curated reference sites run by volunteer library and information science professionals.

Great Websites for Kids

Association for Library Service to Children.

Home Work Spot

K-12 homework-related sites together with engaging editorial in one high-utility, educational spot.


Reviews for the best sites for kids on the Internet together in one convenient location.

Library Spot

Extensive guide to online reference works.

Usborne Quicklinks

Websites and interactive content by subject/book.

World Digital Library

The WDL makes available on the Internet, free of charge and in multilingual format, significant primary materials from all countries and cultures.

Alternative search engines




Cool tool to search Encyclopedia entries


Co2 neutral search - revenues used to plant trees

Virtual Learning Resource Center

Infotopia (for students)

SweetSearch (for students)

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