While attempting to help my son study for a Chemistry exam, I came across a YouTube video that helped us learn how to balance equations. This short video taught me (I've never had chemistry), and my sons a great way to balance equations.
The creator started his online tutorial videos as The Khan Academy, with the hopes of better educating the world and helping teachers use technology to assist their students and become more of a facilitator of learning. It is now being promoted by Bill Gates because of the outstanding work that is being done.
khanacademy.org
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