Here's a quick and fun 12 question science quiz. Click on the "source" link above and see how you stack up against the American public according to a study released by the Pew Research Center.
Once completed you can also view the full report which states amongst other interesting findings that "the public has a far less positive view of the global standing of U.S. science than do scientists themselves."
Oh yeah and as it turns out I am more science savvy than the average American. Good thing too since I happen to work for the "oldest and largest single life science membership organization in the world." :)