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Question 1 of 10
A Chinese eunuch named Cai Lun (or Ts'ai Lun) is credited with using bark, hemp, rags and fishnets to invent something in 105 AD. What?
Question 2 of 10
Named for Friedrich Mohs and determined with a sclerometer, what does the Mohs scale measure?
Question 3 of 10
Sputnik 2 took Laika into space. What kind of animal was Laika?
Question 4 of 10
What hirsute part of the body interests somebody who studies pogonology?
Question 5 of 10
Chromium was named because it's so colorful, and chlorine was named because it is often one particular color. Which one?
Question 6 of 10
What do gluons "glue" together within hadrons, like protons and neutrons?
Question 7 of 10
With a name literally meaning "hollow cavity," what is the largest vein in your body?
Question 8 of 10
Which of these tiger subspecies is not either extinct already, or a few hundred wild animals away from extinction?
Question 9 of 10
Which of these toolbox items operates on the wheel and axle principle?
Question 10 of 10
West Nile Fever, a mosquito-borne viral infection that can cause inflammation of the brain, was first isolated in the West Nile district of what country in 1937?
History Quizzes
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Calling All History Buffs!
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Across the Pond: UK & USA History Quiz
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History Quiz
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History Quiz
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History Quiz
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10 Historical Trivia Questions
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History Quiz
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This History Quiz is Rough
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History Trivia Quiz
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Geography Quizzes
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Geography Quiz
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10 Question About Planet Earth
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Geography Quiz
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Play This Geography Quiz Now!
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Geography Quiz
Did you find your way to the last question?
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HARD Science Quiz
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Geography Quiz
You're invited!
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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
Have you ever heard of any of these bands?
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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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Who Sang These Songs?
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Who Sang These Songs?
Do you have a favorite songs between these 10 songs?
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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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Who Sang These Songs?
No one knows more than 6 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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Who Sang These Songs?
Can you answer these 15 Sudden End questions correctly?
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HARD Who Sang These Songs?
How manny songs did you know?
Average Score: 753% knows the answer to this question: "Who sang the famous song Night Moves (1976)? " -
Who Sang These Songs?
Did you have more than 6 songs correctly?
Average Score: 936% knows the answer to this question: "Who sang the famous song "American Pie" (1972) ? " -
Who sang these songs?
10 Questions
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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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Free daily quizzes!
It seemed like a simple quiz for you, but perhaps we were mistaken?
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Quiz on General Knowledge
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Test Your General Knowledge
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General Knowledge Quiz
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10 Impossible Trivia Questions
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General Knowledge Quiz
Sit back and enjoy this quiz
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For Those Who Love Trivia Quizzes
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General Knowledge
Please tell us how many you know
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General Knowledge Quiz
Score a 10/10 and show off in the comments
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Literature Quizzes
Movie Quizzes
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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
Which of these have you seen in the cinema?
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Lights, Camera, Quotes!
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Movie Quiz
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Movie Quiz
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Math Quizzes
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Math Quiz
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10 Math Questions
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Math Examination
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Extremely hard mixed knowledge quiz, how many did you answer correctly?
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Who sang these songs from the 20s?
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Extremely hard mixed knowledge quiz, how many did you answer correctly?