Go to Free Rice and test your vocabulary skills for a good cause. They show you a word and four possible definitions. For each one you get right, they donate 10 grains of rice to the U.N. World Food Program. If you get it right, you get a harder word. If you get it wrong, you get an easier word.
It’s endless hours of amusement and you’ll feel like a smartypants. A do-good smartypants at that.
MRP for one was delighted to find that all that hard work reading nature books to S. (age 4) finally paid off when I was able to correctly identify the meaning of dhole.