Very hard Science Quiz!
Question 1 of 10
Giovanni Schiaparelli described channels he called "canali," leading many to believe that what planet had artificial canals filled with water?
Question 2 of 10
Paper has been traced to AD 105, where it was in use in which present-day country?
Question 3 of 10
Don't be too depressed about this, but at room temperature, what is the lightest solid element (in terms of density)?
Question 4 of 10
Most breeds of cattle were bred from what extinct wild ox that once roamed over Europe, Asia and northern Africa?
Question 5 of 10
Which Greek letter is used in mathematics for a very small positive quantity, and sometimes appears in trivia events as a non-point?
Question 6 of 10
Absorbine Jr got us all worried about what scaly skin condition, caused by a ringworm fungus?
Question 7 of 10
In what country was fire opal once called Quetzalitzlipyollitli, which means "Stone of the Bird of Paradise"?
Question 8 of 10
In printing, this color is all colors together. It light, it is the absence of color. What is it?
Question 9 of 10
What kind of rocks are basalt (found under the continents) and granite (which makes up much of the continents that float over the tectonic plates)?
Question 10 of 10
Euclid discovered that the first four of these: 6, 28, 496 and 8,128. The fifth is 33,550,336 and is credited to Hudalrichus Regius, who found it in the 1500s. What are they?
History Quizzes
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Challenging History Questions
Can you score higher than a 5 in this hard quiz
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History Knowledge Quiz
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History Sudden End Quiz
Who is able to make it to the end?
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History Quiz
Please share your score no matter how low or high
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1980s Nostalgia Quiz
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History Quiz
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Challenging Quiz About History
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History Trivia Quiz
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History Trivia Quiz
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Geography Quizzes
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10 Geography Questions
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Hard Geography Quiz
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10 Geography Questions
Where did you go?
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Have you ever been to Japan?
HARD Geography Quiz
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Only an Aussie can score a perfect 10 in this quiz!
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
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HARD Science Quiz
We hope you're smart enough to score a 7+
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What was your last travel destination?
HARD Geography Quiz
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Music Quizzes
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Music Quiz
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10 difficult questions about John Denver
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Barbra Streisand Quiz
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Challenging Music Quiz
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Very Hard Music Quiz
10 Questions
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How often do you listen to music?
HARD Music Quiz
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How often do you listen to music?
HARD Music Quiz
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Music Quiz For Intelligent People
Are you smart enough?
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Challenging Music Quiz.
We are sorry for these difficult questions!
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Science Quizzes
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Are you a scientist?
Proof by beating her score!
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HARD Science Quiz
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HARD Science Quiz
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Mad Science Quiz
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Try scoring a 10 out of 10
10 HARD Science Questions
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Who Sang Quizzes
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Who Sang These Songs From The 70s?
10 hard questions
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Who Sang These Country Songs?
Who is able to recognize all 10 country songs?
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Who Sang These Songs?
You will not score higher than a 4
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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? - Sudden End Style
How many songs didn't you know?
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Who Sang These Songs?
How many songs did you know?
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Who Sang These Songs?
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Who Sang These Country Songs?
Question 10 is by far the hardest
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Who Sang These Songs?
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Food & Beverage Quizzes
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Food & Beverages Quiz
We challenge you to score higher than a lousy 5
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Unknown Fruit Quiz
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Food and Beverage Quiz
10 questions but you won't get them all correctly!
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General Knowledge Quizzes
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Impossible Intelligence Test
Can you beat her perfect score of 5/10?
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Fun Quiz For The Brain
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Challenging Mixed Trivia
Nobody is able to top a 5
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Challenging Knowledge Quiz
Do you accept our challenge?
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Do you know the answer to this riddle?
Play This Knowledge Quiz
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Survival Quiz
How many retries did you need?
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General Knowledge Quiz
Let us know in the comments if you scored higher
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General Knowledge Quiz
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Hard Mixed Trivia Quiz
This quiz is specially made for you!
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Literature Quizzes
Movie Quizzes
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It's highly doubtful you can complete even half of these movie titles in this quiz.
Movie Quiz
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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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Math Quizzes
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HARD Math Quiz
Do you know the answer to this riddle?
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Math Quiz
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Math Quiz
Absolutely no one scores higher than a 5
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Math Quiz
Only those who are good with numbers stand a change!
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SUDDEN DEATH QUIZ
Try to stay on your feet!
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Math Quiz
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Extremely hard mixed knowledge quiz, how many did you answer correctly?