72% knows the answer to this question: "Which of these are ideal air conditions to cause a thunderstorm? "

And do you know the answer to this one? "What is Australia's largest desert?"

52% knows the answer to this question: "In 2013, terrorists took over 800 people hostage at a gas plant in what African country? "

And do you know the answer to this one? "What Belgian-born star won an Oscar for Roman Holiday, a Tony for Ondine, an Emmy for a show about the world's gardens and a spoken word Grammy for Ages of Man?"

43% knows the answer to this question: "What is the currency of Argentina, Chile and Mexico? "

And do you know the answer to this one? "A geyser is what?"

52% knows the answer to this question: "The United Nations approved a series of sanctions against which country in 2013? "

And do you know the answer to this one? "What was the Chernobyl disaster of 1986?"

89% knows the answer to this question: "Who's 'heart will go on'? "

And do you know the answer to this one? "Who should you 'hit one more time'?"

32% knows the answer to this question: "What Broadway musical gave us the songs "Some Enchanted Evening," "Bali Ha'i," "Happy Talk" and "I'm Gonna Wash That Man Right Outa My Hair"? "

And do you know the answer to this one? "With what artist did Elton John perform the duet "Don't Let the Sun Go Down on Me"?"

64% knows the answer to this question: "Which U.S. President died in office in 1945, during World War II? "

And do you know the answer to this one? "Where was the International UFO Museum opened in 1991? "

50% knows the answer to this question: "What did the Greeks use to defeat the defenders of Troy? "

And do you know the answer to this one? "What country did Winston Churchill lead in World War II?"

64% knows the answer to this question: "Which part of the Sistine Chapel is famously the main focal point? "

And do you know the answer to this one? "What is the part of the picture that appears to be farthest away from the viewer called?"

71% knows the answer to this question: "What long-standing South African policy was discontinued in 1990? "

And do you know the answer to this one? "What is thought to be the only man-made object that can be seen with the naked eye from outer space?"

85% knows the answer to this question: "Who put forth the Theory of Relativity in 1905? "

And do you know the answer to this one? "Which invention came first?"

85% knows the answer to this question: "Which former president coined the phrase 'war on terror'? "

And do you know the answer to this one? "The Israeli flag features what six-pointed shape?"