"Are you scientifically literate?" Take Christian Science Monitor's Quiz

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Are you scientifically literate? Take our quiz

You may have an opinion on climate change, evolution education, stem-cell research, and science funding. But do you have the facts to back up your opinion? This quiz will test your basic scientific literacy.
- Eoin O'Carroll, Staff

Quiz is located at http://www.csmonitor.com/Science/2011/1209/Are-you-scientifically-literate-Take-our-quiz/Composing-about-78-percent-of-the-air-at-sea-level-what-is-the-most-common-gas-in-the-Earth-s-atmosphere

Question 1 of 50

1. Composing about 78 percent of the air at sea level, what is the most common gas in the Earth's atmosphere?

William & Mary professor Elizabeth Harbron displays vials with merocyanine and rhodamine dye in her lab in Williamsburg, Va. (Steve Helber/AP)

Alan: The "Reader Comments" at the end of this quiz are worth a glance.

I got 78% right.