30% knows the answer to this question: "Which scientific term is best defined as "the area influenced by an object's gravity"? "

And do you know the answer to this one? "In 1540, Garcia Lopez de Cardenas became the first European to see what canyon, which is a mile deep in some places?"

54% knows the answer to this question: "Which one of these cities lies on the River Thames? "

And do you know the answer to this one? "Which Bill was one of the key figures of rock'n'roll in the 1950s?"

50% knows the answer to this question: "Baby kangaroos live in their moms' pouches. What is a baby kangaroo called? "

And do you know the answer to this one? "What is "high water"?"

93% knows the answer to this question: "What will a cat eat to help in digestion? "

And do you know the answer to this one? "The grass is always greener on the other side of the fence means that something seems to be what?"

92% knows the answer to this question: "What did the vegetarian Triceratops eat? "

And do you know the answer to this one? "What was the pre-NASA job of astronaut Sally Ride?"

69% knows the answer to this question: "What duo made the international 1970s hit 'Bridge Over Troubled Water'? "

And do you know the answer to this one? "Shenzi, Banzai and Ed are three animals found in the African savanna. Which movie are they in?"

90% 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? "What animal, found in Bengal, is the national animal of both India and Bangladesh, the two countries that straddle Bengal?"

78% knows the answer to this question: "What do chromosomes carry? "

And do you know the answer to this one? "What branch of chemistry is concerned with the chemistry of living organisms?"

45% knows the answer to this question: "Bonsai is the art of growing what? "

And do you know the answer to this one? "Which film would you associate with the character Buzz Lightyear?"

74% knows the answer to this question: "Construction started on a wall dividing which European city in 1961? "

And do you know the answer to this one? "Who invented the telephone?"

95% knows the answer to this question: "George Michael was previously in which '80s group? "

And do you know the answer to this one? "Which ancient country used hieroglyphics for writing?"

71% knows the answer to this question: "What colourful forest in Baden-Wurttemberg is famous for its cherry cake, as well as for its wooden carvings, especially of cuckoo clocks? "

And do you know the answer to this one? "What is the most common form of Chinese spoken in the south of China, in Hong Kong and in Macau?"