I've mentioned before in the article U.S. belief in pseudoscience is up that 70% of American adults do not understand the scientific process. If you're interested in testing where you stand, for the purpose of improving yourself, check out these periodic table quizes.

I just went through one of the top level quizes, and I didn't recognize a great deal of the names involved. This isn't to say that you don't understand the theories themselves. I plan to spend the next few weeks taking these and studying my results.