I came across this link last night and it might be useful to test your knowledge of English vocabulary. Shmuel Neumann has created the site and what caught my attention was the claim that I would be shown the longest word in the English language. Pneumonoultramicroscopicsilicovolcanocon
Here are the results from my short attempt at one of the quizzes at the site:
Hope you enjoyed the quiz! Your score report is presented below.
Name » Guest
Your Score » 96 out of 100
Answered Correctly » 24 out of 25 correct
% Score » 96 % Min. Pass % » 70 % Your Result » Pass
Note: The following site claims to be the "Easiest Way To Create Online Tests & Quizzes." Give them a look and take advantage of over 100,000 quizzes and perhaps embed one or two on your blog or website.