Try not to cry when you do this impossible Science quiz!
Question 1 of 10
In 1962, Yukio Horie invented the first practical fiber-tip pen to accommodate which country's system of writing?
Question 2 of 10
As cities get crowded with phones, they can shoehorn in new overlay area codes. The first one, in 1992, was 917. Where?
Question 3 of 10
Named for a North African coast, what now extinct sub-species of lion was used in the Roman arena?
Question 4 of 10
Superconductors lose their electrical resistance. How do you get them to do this?
Question 5 of 10
Most large freshwater lakes are in the rift valleys between tectonic plates. Which one is in the Great Rift Valley?
Question 6 of 10
When really big stars die, they blow up as a supernova, spreading debris all over the place. What does this debris become?
Question 7 of 10
How many sides does a dodecagon have?
Question 8 of 10
What percentage of acetic acid is legally allowed in vinegar?
Question 9 of 10
What are organic compounds in which some of the bonding elements are delocalized?
Question 10 of 10
What Central American bird (and national symbol) has a tail so long that the only safe way it can fly off a branch is by jumping backward first?
Who Sang Quizzes
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Pop Music Quiz
Do you remember who sang these songs
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Who Sang These Soul & Motown Hits?
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Who sang these songs from 1962
Music Quiz
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Who Sang These Songs?
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Who sang these songs?
10 Questions
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Do you know which artists we are looking for?
Got more than 5 right? Let us know below!
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History Quizzes
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History Quiz
What answer did you not know?
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History quiz for anyone who grew up in the 1970s
Start Quiz
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Calling All History Buffs!
Can You Beat the Experts?
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10 History Questions
Who knows enough for a 10/10
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History Quiz
Can you top a 6? We challenge you to do so!
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Sudden Death Quiz
10 history questions
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Geography Quizzes
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Geography Quiz
Did you find your way to the last question?
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Geography Quiz
You're invited!
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Geography Quiz
Thumbs up when you score a 10/10
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
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Geography Quiz
Can you beat the geographer?
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Geography Quiz
Think you can find your way?
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Music Quizzes
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Music Quiz
Hats off if you're able to score a perfect 10
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Play Music Quiz
We bet you're not a musician!
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Music Quiz
Can you do better than a lousy 6?
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10 difficult questions about John Denver
Let us know your score in the comments
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Try scoring a perfect 10
Music Quiz
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Music Quiz For Intelligent People
Are you smart enough?
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Science Quizzes
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Science Quiz
Only for geniuses!
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Science Quiz
10 hard questions
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Science Quiz
10 hard questions
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Science Quiz
We dare you to score a perfect 10
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Did you complete the mission?
Challenging Science Quiz
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Science Quiz
Let your fellow quizzers know what you've scored
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Food & Beverage Quizzes
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Hungry for a food and beverages quiz?
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Are you in for a drink?
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Food Quiz
Enjoy this quiz and share your result below
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Food Quiz
Yay or Nay?
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HARD Food Quiz
Do you know enough to beat his score?
Average Score: 750% knows the answer to this question: " " -
Quiz For Foodies
We dare you to share your score below
Average Score: 952% knows the answer to this question: " "
General Knowledge Quizzes
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Challenging Knowledge Quiz
Who is able to beat her score? Tell in the comments f you did
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10 Questions for Geniuses
Did you score a perfect 10?
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Mixed Trivia Quiz
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10 Questions About 10 Topics
Share your score!
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General Knowledge Quiz
Only a few will ace this one
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10 Trivia Questions
Are you a Trivia Titan?
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Literature Quizzes
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10 books, who wrote them?
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Quiz About Literature
What is the last book you read and did you like it?
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Literature Quiz
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Try to score higher than an 8!
Literature Quiz
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Are you a real bookworm? Try this Literature quiz.
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Very hard quiz about books. Try to score at least a 6 and share your result.
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Movie Quizzes
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Movie Quiz
Can you top a 6 out of 10
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Lights, Camera, Quotes!
Who can get a perfect 10? Share if you did!
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Movie Quiz
What movie has your best memory?
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Movie Quiz
Are you going to score a perfect 10?
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Movie Quiz
Can you score perfect 10?
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Movies & Series Quiz
Which TV series have you watched more than once?
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Math Quizzes
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Math Quiz
Absolutely no one scores higher than a 5
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Do you belong to the 10% that can score a 7+
Mathematics Quiz
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Math Quiz
We hope you're smart enough for these questions
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Forward if you managed to score an 8+!
Can you do it?
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Mathematics Quiz
Do you know the answer?
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Challenging Math Quiz
You aren't smart enough to score a solid 10!
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We bet you don't know a thing about who invented these things!
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Everybody likes music, but how much do you know about it?
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Who or what am I?