Freerice.com: Donate Rice Through Playing

Getting bored of Facebook games? Having spare time to play a game for charity? Visit www.freerice.com. It's a word game wherein the player guesses the definition of the word in order to advance to the next level.

Free Rice 2.0

Not only will you be able to enhance your vocabulary, but you will also be helping feed children in impoverish nations. 

For every right answer you give, 10 grains of rice of are donated to the United Nations World Food Program. Check it out