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Question 1 of 10
Most of the oxygen in the air is produced by what chemical process?
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?
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?
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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Quiz with a blend of knowledge.
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Average Score: 8100% knows the answer to this question: "Baby kangaroos live in their moms' pouches. What is a baby kangaroo called? "
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Average Score: 9100% knows the answer to this question: "What is edible as a young shoot but is better food for pandas when it's grown bigger? "
And do you know the answer to this one? "Ants, bats, bees and the original European settlers of 13 American states are all found in groups known by what name?" -
Quiz on literature
Until now only ONE person got a perfect 10
Average Score: 8100% knows the answer to this question: "What is a 6 letter word meaning "anything that will neutralize an acid, as lime, magnesia, etc."? "
And do you know the answer to this one? "In this list, which word rhymes with six?"
History Quizzes
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History Quiz
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Quiz About History
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History Knowledge Test
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Average Score: 895% knows the answer to this question: "IN 1942, the minimum age for the drafted was lowered from 21 to what? " -
10 questions about history!
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Average Score: 7100% knows the answer to this question: "In 1950, scientists started to date which documents, found in the Dead Sea? " -
Elementary School History Quiz
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Average Score: 8100% knows the answer to this question: "Who killed Abraham Lincoln in 1865? " -
Challenging Quiz About History
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History Quiz
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HARD History Quiz
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Average Score: 790% knows the answer to this question: "Violet Gibson was a rich Irish woman with paranoid religious delusions. In 1926, she fired a shot at what dictator, shooting him in the nose after he opened a hospital in Rome? " -
History Quiz
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Average Score: 899% knows the answer to this question: "The first Autobahn opened in which country in 1932? "
Geography Quizzes
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Challenging Geography Quiz
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Average Score: 9100% knows the answer to this question: "If you were in Florida, which of these cities might you be in? " -
Geography Quiz
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Average Score: 9100% knows the answer to this question: "France shares a border to the south with which European Country? " -
Geography Quiz
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Average Score: 7100% knows the answer to this question: "With 1,000 plus rooms, what is the largest inhabited castle in the world? " -
Geography Quiz
10 questions most people will struggle with
Average Score: 793% knows the answer to this question: "Which best describes the Wailing Wall? " -
Geography Quiz
Find out if you belong to the 1%
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10 Geography Questions
Where did you go?
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Geography Quiz
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Average Score: 999% knows the answer to this question: "After whom was the US capital Washington, D.C. named? " -
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Average Score: 6100% knows the answer to this question: "Which country lies directly south of Mongolia? " -
What was your last travel destination?
HARD Geography Quiz
Average Score: 6100% knows the answer to this question: "Dionysus was the Greek God of what? "
Music Quizzes
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Music Quiz
Have you ever been to a concert?
Average Score: 999% knows the answer to this question: "Davy Jones was the lead singer in which band? " -
Think you know your Beatles from your Stones?
Can you beat your friends' scores?
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Challenging Music Quiz
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Music Quiz
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Music Quiz
How often do you listen to music?
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Challenging Music Quiz.
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Quiz about Music
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Average Score: 9100% knows the answer to this question: "Which of these was a hit single for The Mamas & the Papas in 1966? " -
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Average Score: 9100% knows the answer to this question: "Help was a hit song of which band? " -
Play Music Quiz
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Average Score: 9100% knows the answer to this question: "Which record company was founded in Detroit by Berry Gordy, Jr, a former boxer, who applied many of the business techniques he'd seen working on the Ford assembly line? "
Science Quizzes
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Mad Science Quiz
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Average Score: 8100% knows the answer to this question: "When you shuffle along carpets on dry days, the friction builds up your negative charge, which is attracted to the positive charge on a doorknob. What does that produce? " -
Play This Science Quiz
Only for quizzers with an high IQ
Average Score: 9100% knows the answer to this question: "Most of the oxygen in the air is produced by what chemical process? " -
HARD Science Quiz
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Average Score: 8100% knows the answer to this question: "What is a change in the form of a species over time called? " -
HARD Science Quiz
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Average Score: 6100% knows the answer to this question: "HP and IBM are brands of which product? " -
Are you a Science Expert?
Prove it in the comments below
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Science Quiz
Nobody can score a perfect 10
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Nobody can score a perfect 10
Quiz for Scientists
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Are you a scientist?
Proof by beating her score!
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Nobody can score higher than a lousy 5
Science Quiz
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Who Sang Quizzes
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Do You Know Who Sang These Songs?
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Average Score: 8100% knows the answer to this question: "Who sang the famous song "Pinball Wizard" (1969)? " -
Who Sang These Songs From The 70s?
10 hard questions
Average Score: 9100% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? " -
For people who are older than 40 this is going to be a hard quiz!
Who sang these songs from the 90s?
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Who Sang These Songs From The 70s?
10 hard questions
Average Score: 9100% knows the answer to this question: "Who sang the famous song "We Will Rock You" (1977) ? " -
Who Sang These Songs
Did you know more than 5 songs?
Average Score: 9100% knows the answer to this question: "Who sang the famous song "You Make Me Feel Like A Natural Woman" (1967) ? " -
Who Sang These Songs? - Sudden End Style
How many songs didn't you know?
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Who Sang These Songs?
Please tell us if you know more than 6 songs
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Who Sang These Songs?
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Average Score: 7100% knows the answer to this question: "Who sang the song, "Gangnam Style"? " -
Who Sang These Songs?
No is able to score higher than a 6
Average Score: 997% knows the answer to this question: "Who sang the famous song "Starman" (1972) "
Food & Beverage Quizzes
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Challenging Food Quiz
10 HARD questions about food & beverages
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Food and Beverage Quiz
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Average Score: 9100% knows the answer to this question: "Which animal's meat is referred to as mutton, particularly when the animal is an adult? " -
Food and Beverage Quiz
10 questions but you won't get them all correctly!
Average Score: 9100% knows the answer to this question: "What second largest island in the Mediterranean are canned herrings named for? " -
Challenging Food Quiz
We bet you're not a true chef!
Average Score: 998% knows the answer to this question: "Known for its sweet, deep-red flesh, what orange mutation probably first appeared in 17th century Sicily? " -
Food and Beverage Quiz
10 questions but you won't get them all correctly!
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Food & Beverages Quiz
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Average Score: 8100% knows the answer to this question: "Where would you find mussels? " -
Test Your Culinary Knowledge with this Delicious Quiz
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Average Score: 10100% knows the answer to this question: "A cucumber preserved in vinegar or salt is called what? " -
Food Quiz
10 questions but you won't get them all correctly!
Average Score: 10100% knows the answer to this question: "Grapes come in what? " -
Unknown Fruit Quiz
No one scores a 6 or more in this unknown fruit quiz!
Average Score: 7100% knows the answer to this question: "What is the name of this unknown fruit? "
General Knowledge Quizzes
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Mixed Trivia Quiz
Sorry for these difficult questions!
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General Knowledge Quiz
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Trivia Quiz For Geniuses
Are you a genius? Prove us by scoring at least a 9
Average Score: 8100% knows the answer to this question: "Louis Armstrong is well-known for playing which instrument? " -
General Knowledge Quiz
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Average Score: 6100% knows the answer to this question: "Who sang the famous song "Lonely Weekends" (1960)? " -
10 Challenging Questions
How many questions. did you answer correctly?
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This quiz is extremely challenging!
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HARD General Knowledge Quiz
You definitely won't score a perfect 10
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No human soul will be able to answer these questions
Challenging Trivia Quiz
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Hard Trivia Quiz
Most questions are way too hard for you!
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Literature Quizzes
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Literature Quiz
Who is your favorite author?
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Literature Quiz
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Literature Quiz
How much knowledge have you stored in you brain about Literature?
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Literature Test
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Tell us, what do you really know about literature?
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Movie Quizzes
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Movie Quiz Challenge
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how often do you go to the movie theater?
Movie Quiz
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Movie Quiz
What movie has your best memory?
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Movie Quiz
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Movie Quiz
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Movie Quiz
What is the last movie you have seen?
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Movie Quiz
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Movies: 10 Daunting Questions
We hope you have watched enough movies
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Only 10% can complete all 10 of these movie titles
Movie Title Quiz
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Math Quizzes
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Math Quiz
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Math Quiz
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Challenging Math Quiz
You aren't smart enough to score a solid 10!
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Average Score: 9100% knows the answer to this question: "If a five day vacations costs 2500 dollars, how much does each day cost? " -
Mathematics Quiz
Are you a real mastermind in mathematics?
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HARD Math Quiz
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Mathematics Quiz
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Math Test
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Math Quiz
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Everybody likes music, but how much do you know about it?
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Movies Quiz
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Movies Quiz