So here is a little fun using Discovery Encyclopedia articles and the wonderful word cloud creator Tagxedo.
Step 1: Find a resource from DE and encyclopedia
Step 2: Copy and paste part of the article into Tagxedo
Step 3: Choose a shape and edit the words
Step 4: Choose the colors and share
Africa. Prod. Funk & Wagnalls. Funk & Wagnalls, 2005. Discovery Education. Web. 28 December 2011.