Most of the oxygen in the air is produced by what chemical process?
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Question 2 of 10
Which of these devices would you most likely use to listen to music?
Question 3 of 10
Alfred J Gross invented this for doctors, who didn't like it, although the last people to use it were hospital doctors. Mind you, the tech behind it also powers garage openers. What is it?
Question 4 of 10
Which space probe landed on Mars in June 1999?
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Question 5 of 10
What country shares its name with an ink that is chemically inert, not affected by sunlight and virtually permanent?
Question 6 of 10
At 11:38 a.m., on January 28, 1986, just 74 seconds into its 10th mission, an O-ring ruptured, setting off a fiery explosion in the main fuel tank of which space shuttle?
Question 7 of 10
What happens to the pressure of water as depth under the water increases?
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Question 8 of 10
The grandfather paradox is held up as one of the risks of what improbable science fiction activity?
Question 9 of 10
Water freezes at what temperature?
Question 10 of 10
Wood's glass, which blocks most wavelengths of light, was originally used to encode messages. What kind of light does it let through?
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Who Sang Quizzes
Can you name the singers of these songs?
Do you know the artist of all these songs?
Average Score: 3
40% knows the answer to this question:
"Who sang the famous song "Marathon" (1985)?
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HARD Who Sang These Songs?
How manny songs did you know?
Average Score: 7
25% knows the answer to this question:
"Who sang the famous song Night Moves (1976)?
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Pop Music Quiz
Do you remember who sang these songs
Average Score: 9
23% knows the answer to this question:
"Who sang the famous song "Blueberry Hill" (1957)?
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Who sang these songs?
10 Questions
Average Score: 9
83% knows the answer to this question:
"Who sang the famous song "Mandy" (1974)?
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Who sang these songs?
10 hard questions
Average Score: 8
88% knows the answer to this question:
"Who sang the famous song "Brothers In Arms" (1985)
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Do you know who sang these songs?
Try scoring a 6+
Average Score: 9
89% knows the answer to this question:
"Who sang the famous song "What A Wonderful World" (1968) ?
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History Quizzes
History Quiz
What did you score?
Average Score: 6
64% knows the answer to this question:
"Who was forced to read the Ningen Sengen, declaring that he was, in fact, just a human being?
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History Quiz
Find out if you still know enough to score a 10/10
Average Score: 5
34% knows the answer to this question:
"Which country launched the first woman into space?
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History Trivia Quiz
Scoring higher than a 6 is impossible!
Average Score: 5
67% knows the answer to this question:
"What mountains were first crossed by Blaxland, Lawson and Wentworth in 1813?
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Calling All History Buffs!
Can You Beat the Experts?
Average Score: 7
20% knows the answer to this question:
"Which treaty ended the Thirty Years' War in 1648?
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10 History Questions
Who knows enough for a 10/10
Average Score: 4
82% knows the answer to this question:
"What was one of the nicknames of the US's 369th Infantry Regiment?
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History Quiz
Can you top a 6? We challenge you to do so!
Average Score: 9
39% knows the answer to this question:
"Which city saw protests in Tiananmen Square in 1989?
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Geography Quizzes
Geography Quiz
Did you find your way to the last question?
Average Score: 4
71% knows the answer to this question:
"Fulham is in which London postcode?
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Geography Quiz
You're invited!
Average Score: 5
56% knows the answer to this question:
"What nationality is the explorer Vasco Nunez de Balboa?
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Geography Quiz
Thumbs up when you score a 10/10
Average Score: 5
33% knows the answer to this question:
"What was the middle name of the explorer Captain Scott?
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HARD Science Quiz
We hope you're smart enough to score a 7+
Average Score: 4
50% knows the answer to this question:
"What is the capital of Kentucky?
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
Average Score: 6
64% knows the answer to this question:
"Which country lies directly south of Mongolia?
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Geography Quiz
Think you can find your way?
Average Score: 6
86% knows the answer to this question:
"One of the world's largest herds of what roam around the deserts of Australia?
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Music Quizzes
Barbra Streisand Quiz
Average Score: 3
48% knows the answer to this question:
"What is Barbra Streisand's middle name?
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10 difficult questions about John Denver
Let us know your score in the comments
Average Score: 6
60% knows the answer to this question:
"What was John Denver's birth name?
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Alternative Rock Music Quiz
Have you ever heard of any of these bands?
Average Score: 5
60% knows the answer to this question:
"Which band released the influential alternative rock album "OK Computer" in 1997?
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Science Quizzes
Quiz on Science
Did you complete the mission?
Average Score: 9
67% knows the answer to this question:
"What is a young kangaroo called?
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Can you get a better score than a 7?
Average Score: 7
63% knows the answer to this question:
"In WWII who flew around in a plane called Avalon, named for St George's lance?
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