Here are some online tools I found useful...
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World Class Education
A free world-class education for anyone anywhere.
The Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. The Khan Academy's materials and resources are available to you completely free of charge.
www.khanacademy.org |
 | Encyclopedia Wikipedia is a free, collaboratively edited and multilingual Internet encyclopedia supported by the non-profit Wikimedia Foundation. Its 21 million articles (over 3.9 million in English alone) have been written collaboratively by volunteers around the world. As of May 2012, there are editions of Wikipedia in 285 languages. It has become the largest and most popular general reference work on the Internet. www.wikipedia.org |
