If your summer break days aren’t challenging your brain like the hectic semesters most students are accustomed to then, sharpen your skills and do some good at the same time.

Freerice.com is a site that combines vocabulary words with food donations. For every word you correctly match with its synonym 20 grains of rice are donated through the UN World Food Program.

Within minutes participants can fill bowls of rice that will fill hungry bellies all over. To date more than 34 billion grains of rice have been donated.