Most of the oxygen in the air is produced by what chemical process?
Question 2 of 10
Which of these devices would you most likely use to listen to music?
Question 3 of 10
Alfred J Gross invented this for doctors, who didn't like it, although the last people to use it were hospital doctors. Mind you, the tech behind it also powers garage openers. What is it?
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Question 4 of 10
Which space probe landed on Mars in June 1999?
Question 5 of 10
What country shares its name with an ink that is chemically inert, not affected by sunlight and virtually permanent?
Question 6 of 10
At 11:38 a.m., on January 28, 1986, just 74 seconds into its 10th mission, an O-ring ruptured, setting off a fiery explosion in the main fuel tank of which space shuttle?
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Question 7 of 10
What happens to the pressure of water as depth under the water increases?
Question 8 of 10
The grandfather paradox is held up as one of the risks of what improbable science fiction activity?
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Question 9 of 10
Water freezes at what temperature?
Question 10 of 10
Wood's glass, which blocks most wavelengths of light, was originally used to encode messages. What kind of light does it let through?
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General Knowledge Questions
How many questions did you have correct?
Average Score: 8
100% knows the answer to this question:
"Which of these famous landmarks is partially located in Canada?
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And do you know the answer to this one?
"Which of these rivers is mentioned in Duran Duran's single Rio? "
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"What is the missing word: Give a ... a fish and you feed him for a day. Teach a ... to fish and you feed him for a lifetime
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"What is a half as a decimal?"
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"What type of medication stops germs growing?
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And do you know the answer to this one?
"Hayden grew 34 pumpkins in his vegetable patch. Rabbits ate 4 of the pumpkins, and Hayden sold 9 of them. How many does he have left?"
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"Lance Armstrong won titles in which sport before being exposed as a cheat?
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Very Hard History Quiz
Only people with an IQ of 140+ will score a 10
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"What is a depository containing historical records and documents?
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Quiz about History
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"Which country declared itself independent from France in March 1956?
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History Quiz
Try scoring a 7+
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98% knows the answer to this question:
"Geli Raubal had commited suicide on September 18th 1931, but who was her well known uncle?
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History Test
Can you score a 6 or better?
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"In which state did Rosa Park refuse to give up her bus seat to a white passenger?
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Elementary School History Quiz
We wish you good luck with this quiz!
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100% knows the answer to this question:
"Who killed Abraham Lincoln in 1865?
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Play Quiz
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"Who was the monarch of the United Kingdom in 1977?
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History questions that present a challenge.
As is we really mean absolutely nobody
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100% knows the answer to this question:
"Who was the creator of the Mongol empire?
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Quiz on History.
We think you can do way better than a lousy 6
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100% knows the answer to this question:
"In 1982, 4 streets in which UK city were renamed after the members of the Beatles?
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Geography Quizzes
Geography quiz. Level Impossible.
Dare to share?
Average Score: 8
100% knows the answer to this question:
"The Harrods department store is in the Knightbridge neighborhood of which city?
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Have you ever been to Japan?
HARD Geography Quiz
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"In what country was Citroen founded in 1919?
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Geography Knowledge Trivia Quiz
Not a single soul will score a 10
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96% knows the answer to this question:
"The river Nile is located on which continent?
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10 Geography Questions
How many did you answer correctly?
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100% knows the answer to this question:
"The description "birthplace of American freedom" best relates to which landmark?
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Challenging Geography Quiz
We hope you can handle this quiz!
Average Score: 8
99% knows the answer to this question:
"Which of these cities is located in Holland?
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Only an Aussie can score a perfect 10 in this quiz!
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Average Score: 8
100% knows the answer to this question:
"By what name are Australian women known generically?
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Are you smarter than this geographer?
Geography Quiz
Average Score: 8
99% knows the answer to this question:
"Which city is a key town for the Muslim, Jewish and Christian faiths?
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Geography Quiz
What would be your dream travel destination?
Average Score: 7
98% knows the answer to this question:
"Which is the southern-most country in Africa?
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Sorry, you are just not good enough
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Average Score: 8
100% knows the answer to this question:
"What is the capital city of the Central American country of Guatemala?
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Music Quizzes
Music Quiz
Can you do better than her 5 out of 10?
Average Score: 9
99% knows the answer to this question:
"According to grammar expert Irving Fisher what song's title would have been correct if it had been in response to the question, "Have you no bananas?"
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Challenging Music Quiz.
We are sorry for these difficult questions!
Average Score: 9
100% knows the answer to this question:
"Which is the song from the movie "Top Gun" that was a hit for Berlin in 1986?
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Music Quiz For Intelligent People
Are you smart enough?
Average Score: 7
100% knows the answer to this question:
"After a brief mid-career effort to play for the Detroit Lions, who included two of the Lions (Mel Farr and Lem Barney) portraying party-goers in the background of "What's Going On"?
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How often do you listen to music?
HARD Music Quiz
Average Score: 7
100% knows the answer to this question:
"Coolio reworked Stevie Wonder's "Pasttime Paradise," turning it into what song?
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Challenging Music Quiz
We challenge you to do better than a 5 out of 10
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99% knows the answer to this question:
"Who "stuck a feather in his hat and called it macaroni"?
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Quiz about Music
Only real music fans score a decent 7+
Average Score: 9
100% knows the answer to this question:
"Which of these was a hit single for The Mamas & the Papas in 1966?
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Music Quiz
How often do you listen to music?
Average Score: 8
100% knows the answer to this question:
"Which of these groups would you most associate with Diana Ross?
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New Music Trivia
Can you answer all music questions correctly?
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100% knows the answer to this question:
"Which of these is the name of a '60s song by Bob Dylan?
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Challenging Music Quiz
We think scoring a 5+ is impossible
Average Score: 9
100% knows the answer to this question:
"Which of these was a member of The Beatles?
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Science Quizzes
Science Quiz
Nobody can score a perfect 10
Average Score: 5
98% knows the answer to this question:
"When would you find yourself taking a polygraph?
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HARD Science Quiz
We hope you're smart enough to score a 7+
Average Score: 6
100% knows the answer to this question:
"HP and IBM are brands of which product?
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Nobody can score higher than a lousy 5
Science Quiz
Average Score: 7
88% knows the answer to this question:
"What do we call the teeth we grind our food with?
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Science Quiz
We really think scoring higher than a 6 is impossible
Average Score: 9
96% knows the answer to this question:
"When introduced by Raytheon, what appliance was originally called the Radar Range?
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Nobody can score a perfect 10
Quiz for Scientists
Average Score: 10
100% knows the answer to this question:
"Just below the epiglottis are two plates called the thyroid cartilage, which in turn meet to produce what body part with a fruity name?
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Science Quiz
Are you smarter than a astronaut? Prove us by score higher than a 6
Average Score: 10
100% knows the answer to this question:
"What protective layer surrounds Earth?
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Science Quiz
Nobody can score a perfect 10
Average Score: 10
100% knows the answer to this question:
"In weather terms, what is the opposite of heat?
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HARD Science Quiz
Who can beat the average score?
Average Score: 8
100% knows the answer to this question:
"What is a change in the form of a species over time called?
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Most people can't even score 5 out of 10 in this science quiz
Play Science Quiz
Average Score: 9
100% knows the answer to this question:
"What is the addictive chemical in cigarettes?
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Who Sang Quizzes
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
Average Score: 9
100% knows the answer to this question:
"Who sang the famous song "Hey Jude" (1968) ?
"
60s music quiz
You won't score a perfect 10
Average Score: 8
100% knows the answer to this question:
"Who sang the famous song "Sunny Afternoon" (1966) ?
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Who Sang This Song: Sudden Death Style
Nobody will reach question 12
Average Score: 0
0% knows the answer to this question:
"Who sang the famous song "Time After Time" (1984) ?
"
Who Sang These Songs
Did you know more than 5 songs?
Average Score: 9
100% knows the answer to this question:
"Who sang the famous song "You Make Me Feel Like A Natural Woman" (1967) ?
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Who Sang These Songs?
What did you score?
Average Score: 9
100% knows the answer to this question:
"Who sang the famous song "Mandy" (1974)?
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Who sang these songs?
10 questions about music
Average Score: 6
100% knows the answer to this question:
"Who sang the famous song "Djangology" (1949)?
"
60's music quiz
You won't score a perfect 10
Average Score: 8
92% knows the answer to this question:
"Who sang the famous song "Sunny Afternoon" (1966) ?
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Who Sang These Songs? - Sudden End Style
How many songs didn't you know?
Average Score: 0
0% knows the answer to this question:
"Who sang the famous song "I Left My Heart in San Francisco" (1962)?
"
For people who are older than 40 this is going to be a hard quiz!
Who sang these songs from the 90s?
Average Score: 14
95% knows the answer to this question:
"Who sang the famous song "The Show Must Go On" (1991)
"
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Food & Beverage Quizzes
Challenging Food Quiz
10 HARD questions about food & beverages
Average Score: 6
100% knows the answer to this question:
"if you order Chateaubriand, what type of meat will you be served?
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Food Quiz
10 questions but you won't get them all correctly!
Average Score: 10
100% knows the answer to this question:
"Grapes come in what?
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Food & Beverages Quiz
Are you able to score a perfect 10?
Average Score: 10
99% knows the answer to this question:
"Which of the following breakfasts has the most nutritional value?
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Challenging Food & Beverages Quiz
We challenge you to beat her score!
Average Score: 7
99% knows the answer to this question:
"Placing a green tomato into a paper bag helps it to do what?
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Can you answer all 10 questions correctly?
Challenging Quiz About Food & Beverages
Average Score: 7
100% knows the answer to this question:
"The gland which controls your metabolism is called what?
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Test Your Culinary Knowledge with this Delicious Quiz
Show Off your result in the comments
Average Score: 10
100% knows the answer to this question:
"A cucumber preserved in vinegar or salt is called what?
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Food and Beverage Sudden End Quiz
15 questions!
Average Score: 0
99% knows the answer to this question:
"What is the popular combination of drinks?
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Challenging Food & Beverages Quiz
We challenge you to beat his score!
Average Score: 8
100% knows the answer to this question:
"Pop tarts can be heated in which of the following?
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10 fun questions about food you probably can't answer
Food Quiz
Average Score: 9
100% knows the answer to this question:
"What food group do oatmeal, brown rice and whole wheat belong to?
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General Knowledge Quizzes
We hope you don't need any retries
but we think you do in this Trivia quiz!
Average Score: 9
99% knows the answer to this question:
"Where was Nelson Mandela imprisoned?
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Insanely Difficult Quiz
Who manages to score a perfect 10?
Average Score: 9
97% knows the answer to this question:
"He made many significant discoveries in astronomy and was the inventor of the 'telescope'. Who was the inventor?
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HARD Knowledge Quiz
We hope you like this one!
Average Score: 7
87% knows the answer to this question:
"For the Doolittle raid, the bombers were launched from what?
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Mixed Trivia Quiz
Do you accept the challenge?
Average Score: 8
94% knows the answer to this question:
"Which of these is a major Scottish city?
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Mixed Trivia Quiz
Sorry for these difficult questions!
Average Score: 8
98% knows the answer to this question:
"Who starred with Jennifer Grey in Dirty Dancing?
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Impossible Knowledge Trivia
We dare you to score a perfect 10
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100% knows the answer to this question:
"What element shares its name with a planet even though we don't think that element is found anywhere on that planet?
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Not a single person scored a 10 yet
General Knowledge Quiz
Average Score: 8
99% knows the answer to this question:
"How do you write 0.149 as a fraction?
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10 Mixed Knowledge Questions
a perfect 10 is your target
Average Score: 8
99% knows the answer to this question:
"Which European city was home to the Roman General Julius Caesar?
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Mixed Trivia Quiz
Who is able to get a perfect 10? Show off in the comments
Average Score: 8
100% knows the answer to this question:
"Which choice is most related to "neon"?
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Literature Quizzes
Literature Test
What did you score? Share below if you dare!
Average Score: 8
100% knows the answer to this question:
"Who wrote the comedy "Midsummer Night's Dream"?
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Literature Quiz
Who is your favorite author?
Average Score: 8
99% knows the answer to this question:
"In "Robinson Crusoe", where is Robinson Crusoe stranded?
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Literature Quiz
How much knowledge have you stored in your brain about Literature?
Average Score: 6
84% knows the answer to this question:
"Which king said "A horse, a horse! my kingdom for a horse!"?
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Literature Quiz
We challenge you to score an 8+
Average Score: 7
99% knows the answer to this question:
"Which one of these means an animal's poisonous fluids?
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Tell us, what do you really know about literature?
We think not enough to get more than 4 answer correctly!
Average Score: 6
100% knows the answer to this question:
"What John Spyri story is about a girl who lives in the Alps?
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Literature Quiz
How much knowledge have you stored in you brain about Literature?
Average Score: 7
96% knows the answer to this question:
"What word means to award compensation to?
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Literature Quiz
Who of our quizzers can get a perfect 10? Share below!
Average Score: 8
100% knows the answer to this question:
"What classic novel did D. H. Lawrence write in 1928?
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Movie Quizzes
10 Hard Movie Questions
What is the last movie you have seen?
Average Score: 7
98% knows the answer to this question:
"Which film star is married to Goldie Hawn?
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Movie Quiz
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100% knows the answer to this question:
"What is Whoopi Goldberg's character doing for a living before posing as a nun after witnessing a mob killing?
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Quiz about Movies
What is the last movie you saw?
Average Score: 8
99% knows the answer to this question:
"What animated movie is based on "The Snow Queen" by Hans Christian Andersen?
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Crazy Quiz About Movies!
Nobody will be able to score a perfect 10
Average Score: 5
84% knows the answer to this question:
"In which movie did Brad Pitt play the role of Tyler Durden?
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HARD Movie Quiz
Enjoy and share your score below in the comments
Average Score: 6
100% knows the answer to this question:
"The Turning is a modern take on what novella?
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Movies: 10 Daunting Questions
We hope you have watched enough movies
Average Score: 9
100% knows the answer to this question:
"The film "Jack the Giant Slayer" is a retelling of what tale?
"
how often do you go to the movie theater?
Movie Quiz
Average Score: 7
98% knows the answer to this question:
"Marilyn Monroe starred in which of these classic movies?
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Movie Quiz
What movie has your best memory?
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"You call that a knife? What movie, starring Paul Hogan, got men bragging about the size of their knives?
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Quiz About Movies
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100% knows the answer to this question:
"What movie sequel promoted itself with the tagline, "Just when you thought it was safe to go back in the water"?
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Math Quizzes
No one can score a 7 or better
Math Test
Average Score: 9
97% knows the answer to this question:
"Which is the largest number?
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Math Quiz
Only those who are good with numbers stand a change!
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99% knows the answer to this question:
"What is the total of 25 + 53 + 32?
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Math Quiz
Absolutely no one scores higher than a 5
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"What is an estimate?
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Mathematics Quiz
Try to stay on your feet!
Average Score: 9
99% knows the answer to this question:
"What is the total of 101 + 73 + 16?
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Math Quiz
Only those who are good with numbers stand a change!
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94% knows the answer to this question:
"How many feet long is a 100-yard football field?
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Mathematics Quiz
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100% knows the answer to this question:
"Cans of soup are 45p. If I buy 3 cans on a 3 for 2 offer, what is the real price per can?
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Mathematics Quiz
Nobody is able to score a perfect 10
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99% knows the answer to this question:
"What is double 26?
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Can you solve this?
go to Math Quiz
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100% knows the answer to this question:
"If a five day vacations costs 2500 dollars, how much does each day cost?
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Unbeatable Math Quiz
You won't score higher than a 6
Average Score: 8
99% knows the answer to this question:
"Doubling is the same as multiplying by which number?
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Try this Proverbs quiz and see if you can find the missing word!