I just found out you can learn new vocabulary and fight hunger in the world at the same time. It's quite amazing ;-)
With freerice.com you can play trivia games to learn new vocabulary, test your knowledge in history, geography and many other subjects.
For each answer you get right, they donate 10 grains of rice to the United Nation World Food program.
The test automatically adjusts to your level. If you answer correctly you'll get a harder question, if you answer wrong you'll get an easier question. It's addicting and it' serving a good cause. So try it now!
Help the world be a better place and start quizzing yourself!
Visit now WWW.freerice.com