67% knows the answer to this question: "Which part of a pool keeps the water free of trash? "

And do you know the answer to this one? "A famous panel of the Sistine Chapel features the creation of who?"

63% knows the answer to this question: "What happened in 1492? "

And do you know the answer to this one? "What animal is from Africa and is in danger of extinction?"

36% knows the answer to this question: "What was the first artificial Earth satellite, launched by the Soviet Union in 1957? "

And do you know the answer to this one? "What action is similar to whisking but uses faster motion for a longer time?"

71% knows the answer to this question: "The semicircular canals in what part of the body respond to the movement of your head to help you maintain your balance? "

And do you know the answer to this one? "You can layer this as straw or wood chips, which lets air in, but not as much water, so weeds have a harder time growing. What is it?"

44% knows the answer to this question: "In what year did France and Britain declare war on Germany? "

And do you know the answer to this one? "Drums, bells and xylophones are examples of what type of instruments?"

93% knows the answer to this question: "What is the capital of Canada? "

And do you know the answer to this one? "What is a Liverpudlian?"

55% knows the answer to this question: "The Von Trapp family built a ski lodge in Stowe, Vermont, after the events that inspired what musical? "

And do you know the answer to this one? "Which is an app that lets you view millions of planes in transit in real time?"

84% knows the answer to this question: "Lone Star is the official beer of which U.S. state? "

And do you know the answer to this one? "Moonlighting stockbroker Jerry Scoggins recorded The Ballad of Jed Clampett, the theme song to what 1960s sitcom?"

91% knows the answer to this question: "Luther Vandross sang backing vocals on which Stevie Wonder hit? "

And do you know the answer to this one? "Which of these fiction genres features fantastic plots and magical creatures?"

78% knows the answer to this question: "As Turks nibbled at his lands, the Byzantine Emperor asked the pope for help, which ended up being what series of medieval wars in the Middle East? "

And do you know the answer to this one? "A pentagram's four lower points symbolize air, fire, water and which other item?"

68% knows the answer to this question: "What city is the hometown of the Beatles? "

And do you know the answer to this one? "If you zoom in too much on Google Moon, what food do you see?"

66% knows the answer to this question: "Frere Jacques, Frere Jacques, Dormez-vous? Dormez-vous? is a children's song from what country? "

And do you know the answer to this one? "Which one of these words means "the time of early evening"?"