Difficult Science Quiz
Question 1 of 10
On account of an eerie sound it makes, what is another common name for the spotted hyena?
Question 2 of 10
Joseph Wilbrand invented this in 1863 for use as a yellow dye. But in 1902, it was repurposed to blow stuff up. What is it?
Question 3 of 10
Gingivitis is minor but can lead to the more serious periodontitis, affecting what body part?
Question 4 of 10
Rapid eye movement and slow wave are two deep phases of what activity?
Question 5 of 10
In 1834, what tree's leaf became the official emblem of the St Jean Baptiste Society, now dedicated to Quebec independence instead of Canadian nationalism?
Question 6 of 10
What organ has an insula and four lobes (frontal, parietal, temporal and occipital)?
Question 7 of 10
What inventor used to make all employees write an "exceedingly simple" 150-question trivia test so tough even Albert Einstein failed it?
Question 8 of 10
Sodium hydroxide is NaOH, also called caustic acid. And it's also called something else. What?
Question 9 of 10
Canadians would have been really impressed with the nine-foot-long Castoroides ohioensis. What was it?
Question 10 of 10
Space rock that enters the Earth's atmosphere is known as a what?
History Quizzes
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History questions that present a challenge.
As is we really mean absolutely nobody
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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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History Quiz
Are you a Historian?
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History Trivia Quiz
Scoring higher than a 6 is impossible!
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Quiz For Archaeologists
Are you smarter than these archaeologists?
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10 Questions About History
We bet you'll never ever score a solid 10
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History Quiz
Wil you stand a chance?
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History Test
Can you score a 6 or better?
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Geography Quizzes
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10 Geography Questions
How many did you answer correctly?
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HARD Science Quiz
We hope you're smart enough to score a 7+
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Challenging Geography Quiz
We hope you can handle this quiz!
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Geography Quiz
Who dares to share his score in the comments?
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10 Geography Questions
Where did you go?
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Hard Geography Quiz
You won't score a 6 or higher!
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Quiz on Geography
Good luck making this fun quiz!
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
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Challenging Geography Quiz
We hope you can handle this quiz!
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Music Quizzes
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Music Quiz
Can you do better than a 5 out of 10?
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Barbra Streisand Quiz
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Quiz about Music
Only real music fans score a decent 7+
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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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Very Hard Music Quiz
10 Questions
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10 difficult questions about John Denver
Let us know your score in the comments
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Challenging Music Quiz
We challenge you to score a 7+
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Science Quizzes
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Don't bother beating my score
Science Quiz
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Mad Science Quiz
Can you do better than a 7?
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Quiz For Scientists
Have you ever entered a science fair?
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Hard Science Quiz
Tell us if you scored an impossible 10
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HARD Science Quiz
Who can beat the average score?
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Try scoring a 10 out of 10
10 HARD Science Questions
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Are you a scientist?
Proof by beating her score!
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Play This Science Quiz
Only for quizzers with an high IQ
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Most people can't even score 5 out of 10 in this science quiz
Play Science Quiz
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Who Sang Quizzes
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Who Sang These Songs?
You will not score higher than a 4
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Who sang these songs?
10 song questions
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Who sang the famous song "Hey Jude" (1968) ?
If you know the answer, make sure you check out this quiz, you might score a perfect 10
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Who Sang These Songs?
Try scoring at least a 7. It's very hard!
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Do You Know Who Sang These Songs?
Try scoring a 6+
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Who Sang These Songs? - Sudden End Style
How many songs didn't you know?
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Can you score a 6 or better ?
Do you remember who sang this song?
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Who Sang These Songs?
You'll never ever score higher than a 6
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Who Sang This Song: Sudden Death Style
Nobody will reach question 12
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Food & Beverage Quizzes
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Unknown Fruit Quiz
No one scores a 6 or more in this unknown fruit quiz!
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Food and Beverage Quiz
Who is able to score higher than a lousy 4? Share if you did
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Challenging Food Quiz
10 HARD questions about food & beverages
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Challenging Food & Beverages Quiz
We challenge you to beat his score!
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Food & Beverages Quiz
We challenge you to score higher than a lousy 5
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Food and Beverage Quiz
10 questions but you won't get them all correctly!
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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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Fun Knowledge Quiz
We dare you to share your score in the comments
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Quiz with a Mixture of Questions
Can you score a 6+?
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Absolutely no one scores a 6 or higher
Difficult Mixed Trivia Questions
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Play Quiz
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We bet you won't pass this one
Extreme Hard Test
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Hard Mixed Trivia Quiz
This quiz is specially made for you!
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Trivia Quiz
Can you score a 10 again?
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Mixed Trivia Quiz
Only a genius can answer these questions
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Challenging Knowledge Quiz
We bet you can't score higher than a 7
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Literature Quizzes
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Literature Test
What did you score? Share below if you dare!
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Literature Quiz
Who of our quizzers can get a perfect 10? Share below!
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Movie Quizzes
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Movie Quiz
What movie has your best memory?
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Lights, Camera, Quotes!
Who can get a perfect 10? Share if you did!
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Movie Quiz
Can you score perfect 10?
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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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Crazy Quiz About Movies!
Nobody will be able to score a 7+
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We bet you can't even finish half of these movie titles in this quiz
Movie Quiz
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Movies: 10 Daunting Questions
We hope you have watched enough movies
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HARD Movie Quiz
Enjoy and share your score below in the comments
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Math Quizzes
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Can you solve this?
go to Math Quiz
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Math Quiz
Only those who are good with numbers stand a change!
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Math Quiz
Absolutely no one scores higher than a 5
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Math Quiz
Absolutely no one scores higher than a 5
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SUDDEN DEATH QUIZ
Try to stay on your feet!
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Mathematics Quiz
Are you a real mastermind in mathematics?
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Mathematics Quiz
What did you score? Let us know in the comments
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Math Quiz
Are you real mathelete? Let us know below!
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Challenging Math Quiz
You aren't smart enough to score a solid 10!
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Very hard geography quiz, can you get more than 5 correct?
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Movies Quiz