FreeRice.com - Study and help people at the same time

Here is a cool web site game that civic minded-students can use to help them study various subjects and donate rice to starving people around the world.  For every question you answer correctly, they have sponsors who will donate 10 grains of rice.  The only limit you have is the amount of time you can play.  There are inconspicuous ads from sponsors and that is how they can donate all the rice everyone wins.  You can answer questions on Humanities, English, Math, Chemistry, Geography, Anatomy, Languages and SA Test Prep.  

FreeRice.com