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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

Most large freshwater lakes are in the rift valleys between tectonic plates. Which one is in the Great Rift Valley?

Question 4 of 10

Superconductors lose their electrical resistance. How do you get them to do this?

Question 5 of 10

How many sides does a dodecagon have?

Question 6 of 10

Named for a North African coast, what now extinct sub-species of lion was used in the Roman arena?

Question 7 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 8 of 10

What are organic compounds in which some of the bonding elements are delocalized?

Question 9 of 10

What percentage of acetic acid is legally allowed in vinegar?

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

This History Quiz is Rough

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Average Score: 4

38% knows the answer to this question: "In 1945, what three letter construction manufacturer was founded? "
10 Questions about History

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Average Score: 4

82% knows the answer to this question: "What was the name of the train that was Britains first streamline train service - launched on September 30th 1935? "
10 Historical Trivia Questions

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75% knows the answer to this question: "Which American president was caught up in the "Watergate" scandal? "
History Quiz

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54% knows the answer to this question: "How many men did the German Army loose at the Battle of Amiens? "
Calling All History Buffs!

Can You Beat the Experts?

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25% knows the answer to this question: "Which treaty ended the Thirty Years' War in 1648? "
History Questions

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49% knows the answer to this question: "The "red purge" was a campaign communists in which country in June 1950? "
History Quiz

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94% knows the answer to this question: "Which city saw protests in Tiananmen Square in 1989? "
80s Nostalgia Quiz

What videogame did you play in the 80s?

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36% knows the answer to this question: "Which 1980s movie features the iconic line, "Nobody puts Baby in a corner"? "
1980s Nostalgia Quiz

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74% knows the answer to this question: "What iconic video game was released in 1980 and featured a little yellow character gobbling up pellets while avoiding ghosts? "

Geography Quizzes

Play This Geography Quiz Now!

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Average Score: 6

82% knows the answer to this question: "Which country lies directly south of Mongolia? "
10 Question About Planet Earth

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Geography Quiz

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52% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
HARD Science Quiz

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Geography Quiz

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35% knows the answer to this question: "What was the middle name of the explorer Captain Scott? "

Music Quizzes

10 difficult questions about John Denver

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77% knows the answer to this question: "What was John Denver's birth name? "
Barbra Streisand Quiz

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27% knows the answer to this question: "What is Barbra Streisand's middle name? "
Alternative Rock Music Quiz

Have you ever heard of any of these bands?

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67% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? "

Science Quizzes

Quiz on Science.

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40% knows the answer to this question: "What sterile animal is produced when a male donkey breeds with a female horse? "
Science Quiz with challenging questions

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90% knows the answer to this question: "When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results? "
Quiz on Science

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Who Sang Quizzes

Who Sang These Songs?

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70% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "
Who Sang These Songs?

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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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91% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? "
Who sang these songs?

10 Questions

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Who were the singers of these songs?

Did you have all 10 songs correctly?

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76% knows the answer to this question: "Who sang the famous song "Under Pressure" (1981) ? "
Who Sang These Country Songs?

Question 10 is by far the hardest

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21% knows the answer to this question: "Who performed the hit "Ring of Fire" (1963)? "
Do you know who sang these songs?

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53% knows the answer to this question: "Who sang the famous song "What A Wonderful World" (1968) ? "
Who Sang These Songs?

Do you have a favorite songs between these 10 songs?

Average Score: 9

40% knows the answer to this question: "Who sang the famous song "Annie's Song" (1974)? "
Who sang these songs?

Are you older than 40? Then your chance is very slim you will score a 6 or better

Average Score: 9

74% knows the answer to this question: "Who sang the famous song "Strangers In The Night" (1966) ? "

Food & Beverage Quizzes

Quiz on Food and Beverage

What's your favorite pizza?

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72% knows the answer to this question: " "
Food Quiz

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General Knowledge Quizzes

General Knowledge Quiz

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10 Mixed Questions

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27% knows the answer to this question: " "
Can you beat my score of 7 out of 10?

General Knowledge

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Knowledge Questions that are Difficult

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80% knows the answer to this question: " "
Test of Varied Knowledge

Are you a genius?

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Quiz on General Knowledge

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Test Your General Knowledge

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Imposible Mixed Trivia Questions

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Challenging Knowledge Quiz

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Literature Quizzes

Movie Quizzes

Movie Quiz

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57% knows the answer to this question: "Karen Carpenter died of complications from which illness? "
Lights, Camera, Quotes!

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52% knows the answer to this question: " "Here's looking at you, kid." "
Rewind to the 70s: Movie Quiz

Which of these have you seen in the cinema?

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78% knows the answer to this question: "Who directed the movie, "The Godfather" (1972)? "
Movies & Series Quiz

Which TV series have you watched more than once?

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46% knows the answer to this question: "Which 1972 film, directed by Francis Ford Coppola, is an adaptation of Mario Puzo's novel and portrays the rise and near fall of a mafia family in America? "
Movie Quiz

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67% knows the answer to this question: "Which of these Disney feature films was released first? "

Math Quizzes

Math Quiz

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55% knows the answer to this question: "40x41÷40 equals what number? "
Math Examination

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53% knows the answer to this question: "How many inches are in a foot? "
10 Math Questions

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34% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "

Try this Proverbs quiz and see if you can find the missing word!
Everybody likes music, but how much do you know about it?
Who sang these songs from the 20s?

History Quizzes

This History Quiz is Rough

Try scoring higher than a 5

10 Questions about History

Did you know enough for a 10/10?

10 Historical Trivia Questions

Do us a favor and share your score in the comments below

History Quiz

Tell us your score below

Calling All History Buffs!

Can You Beat the Experts?

History Questions

We would love to hear about your score

History Quiz

Can you top a 6? We challenge you to do so!

80s Nostalgia Quiz

What videogame did you play in the 80s?

1980s Nostalgia Quiz

Try scoring a 7 or higher

Geography Quizzes

Play This Geography Quiz Now!

It's going to be impossible to score a 6+

10 Question About Planet Earth

Did you score a 10? Let us know below!

Geography Quiz

Did you find your way to the last question?

Geography Quiz

You're invited!

Geography Quiz

Think you can find your way?

HARD Science Quiz

We hope you're smart enough to score a 7+

Geography Quiz

Thumbs up when you score a 10/10

Music Quizzes

10 difficult questions about John Denver

Let us know your score in the comments

Barbra Streisand Quiz

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Science Quizzes

Quiz on Science.

Are you worthy of the respect?

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Quiz on Science

Did you complete the mission?

Who Sang Quizzes

Who Sang These Songs?

Can you match the artist?

Who Sang These Songs?

No one knows more than 6 songs

Can you name the singers of these songs?

Do you know the artist of all these songs?

Who sang these songs?

10 Questions

Who were the singers of these songs?

Did you have all 10 songs correctly?

Who Sang These Country Songs?

Question 10 is by far the hardest

Do you know who sang these songs?

Try scoring a 6+

Who Sang These Songs?

Do you have a favorite songs between these 10 songs?

Who sang these songs?

Are you older than 40? Then your chance is very slim you will score a 6 or better

Food & Beverage Quizzes

Quiz on Food and Beverage

What's your favorite pizza?

Food Quiz

What is your favorite Guilty Pleasure?

General Knowledge Quizzes

General Knowledge Quiz

We hope this one is not too hard

10 Mixed Questions

Let us know your 10/10 below

Can you beat my score of 7 out of 10?

General Knowledge

Knowledge Questions that are Difficult

Can you top a 5? We bet you can't, but prove it!