When attempting this impossible Science quiz, refrain from shedding tears.
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?
History Quizzes
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History Quiz
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10 History Questions
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History Quiz - Extremely Challenging
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1980s Nostalgia Quiz
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This History Quiz is Rough
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70s Nostalgia Quiz
Do you remember?
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History Quiz
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Geography Quiz
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Geography Quiz
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Geography Quiz
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Geography Quiz
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10 Question About Planet Earth
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HARD Science Quiz
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Music Quizzes
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10 difficult questions about John Denver
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Barbra Streisand Quiz
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Alternative Rock Music Quiz
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Science Quizzes
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Quiz on Science
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Quiz on Science.
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Science Quiz with challenging questions
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Who Sang Quizzes
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Which artist performed these songs?
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Who Sang These 90s Songs?
Feels like yesterday isn't it?
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Motown Legends: Can You Name the Artist Behind These Hits?
Can you match the song to the Motown legend?
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Quiz on music from the 1960s.
You won't score a perfect 10
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Can you name the singers of these songs?
Do you know the artist of all these songs?
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Who Sang These Folk & Americana Songs?
Is your favorite artist in this quiz? Take it and find out!
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Can you recognize the vocalists of these songs?
Do you love to listen to music?
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Who Sang These Country Songs?
Question 10 is by far the hardest
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Food & Beverage Quizzes
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Food Quiz
What is your favorite Guilty Pleasure?
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Quiz on Food and Beverage
What's your favorite pizza?
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General Knowledge Quizzes
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Quiz for Geniuses
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General Knowledge
Please tell us how many you know
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Quiz on General Knowledge.
We bet you can do better than this woman
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Smart Quizzers: A Blend of Trivia
Prove you're really smart by scoring a 7+
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Think You’re a Trivia Expert?
Take Our 10-Question Quiz and Prove It!
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10 General Knowledge Questions
Share your score and we give you our thumbs up!
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Quiz for Smart People
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Take This Knowledge Quiz
Let's test your knowledge!
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Who Sang These Songs? Decade Edition!
At what decade did you fail? Leave in the comments
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Literature Quizzes
Movie Quizzes
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Lights, Camera, Quotes!
Who can get a perfect 10? Share if you did!
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Movies & Series Quiz
Which TV series have you watched more than once?
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Rewind to the 70s: Movie Quiz
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Movie Quiz
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Movie Quiz
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Math Quizzes
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Math Examination
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10 Math Questions
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Math Quiz
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Who sang these songs from the 20s?
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Literature Quiz
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We bet you don't know a thing about who invented these things!