Most of the oxygen in the air is produced by what chemical process?
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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?
Question 4 of 10
Which space probe landed on Mars in June 1999?
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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?
Question 7 of 10
What happens to the pressure of water as depth under the water increases?
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Question 8 of 10
The grandfather paradox is held up as one of the risks of what improbable science fiction activity?
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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History Quizzes
Across the Pond: UK & USA History Quiz
We would love to see your score below
Average Score: 9
25% knows the answer to this question:
"Which famous London landmark, completed in 1894, was designed by Sir Joseph Bazalgette and serves as a critical transportation hub?
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History Trivia Quiz
Scoring higher than a 6 is impossible!
Average Score: 5
47% knows the answer to this question:
"In which country were the majority of the Nazi extermination camps during World War 1I?
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Calling All History Buffs!
Can You Beat the Experts?
Average Score: 7
22% knows the answer to this question:
"Which treaty ended the Thirty Years' War in 1648?
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History Quiz
Tell us if you are a true historian
Average Score: 9
80% knows the answer to this question:
"Who was the creator of the Mongol empire?
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History Quiz
Can you top a 6? We challenge you to do so!
Average Score: 9
66% knows the answer to this question:
"Which city saw protests in Tiananmen Square in 1989?
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History Trivia Quiz
Scoring higher than a 6 is impossible!
Average Score: 5
43% knows the answer to this question:
"What mountains were first crossed by Blaxland, Lawson and Wentworth in 1813?
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This History Quiz is Rough
Try scoring higher than a 5
Average Score: 4
55% knows the answer to this question:
"In 1945, what three letter construction manufacturer was founded?
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History Quiz
Are you celebrating a perfect 10? Please tell us!
Average Score: 9
20% knows the answer to this question:
"What year was John F. Kennedy assassinated?
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History Quiz
Do you have what it takes?
Average Score: 5
86% knows the answer to this question:
"Which country won the 1958 FIFA World Cup in Sweden?
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Geography Quizzes
Geography Quiz
Think you can find your way?
Average Score: 6
35% knows the answer to this question:
"One of the world's largest herds of what roam around the deserts of Australia?
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HARD Science Quiz
We hope you're smart enough to score a 7+
Average Score: 4
90% knows the answer to this question:
"What is the capital of Kentucky?
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Play This Geography Quiz Now!
It's going to be impossible to score a 6+
Average Score: 6
62% knows the answer to this question:
"Which country lies directly south of Mongolia?
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Geography Quiz
Did you find your way to the last question?
Average Score: 4
92% knows the answer to this question:
"Fulham is in which London postcode?
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Geography Quiz
You're invited!
Average Score: 5
73% knows the answer to this question:
"What nationality is the explorer Vasco Nunez de Balboa?
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10 Question About Planet Earth
Did you score a 10? Let us know below!
Average Score: 6
33% knows the answer to this question:
"Which is the largest continent on Earth?
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Geography Quiz
Thumbs up when you score a 10/10
Average Score: 5
55% knows the answer to this question:
"What was the middle name of the explorer Captain Scott?
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Music Quizzes
Alternative Rock Music Quiz
Have you ever heard of any of these bands?
Average Score: 5
78% knows the answer to this question:
"Which band released the influential alternative rock album "OK Computer" in 1997?
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Barbra Streisand Quiz
Average Score: 3
28% knows the answer to this question:
"What is Barbra Streisand's middle name?
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10 difficult questions about John Denver
Let us know your score in the comments
Average Score: 6
58% knows the answer to this question:
"What was John Denver's birth name?
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Science Quizzes
Can you get a better score than a 7?
Average Score: 7
56% knows the answer to this question:
"In WWII who flew around in a plane called Avalon, named for St George's lance?
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Quiz on Science
Did you complete the mission?
Average Score: 9
76% knows the answer to this question:
"What is a young kangaroo called?
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Who Sang Quizzes
Can you tell us who sang these songs?
Good luck playing!
Average Score: 9
66% knows the answer to this question:
"Who sang the famous song "I Heard It Through The Grapevine" (1969)
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Can you name the singers of these songs?
Do you know the artist of all these songs?
Average Score: 3
64% knows the answer to this question:
"Who sang the famous song "Marathon" (1985)?
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Do you know who sang these songs?
Try to score higher than a 6!
Average Score: 9
55% knows the answer to this question:
"Who sang the famous song "Thank God I'm A Country Boy" (1975) ?
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Who Sang These Songs?
10 hard questions
Average Score: 7
28% knows the answer to this question:
"Who sang the famous song "Red River Rock" (1959)?
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Who performs these songs?
Nobody knows more than 5 songs
Average Score: 9
74% knows the answer to this question:
"Who sang the famous song "Theme From 'New York, New York'" (1980)
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Who Sang These Songs?
Can you match the artist?
Average Score: 8
34% knows the answer to this question:
"Who sang the famous song "Fernando" (1975) ?
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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
84% knows the answer to this question:
"Who sang the famous song "Strangers In The Night" (1966) ?
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Which artist performed these songs?
Can you answer more than 4 questions correctly?
Average Score: 9
27% knows the answer to this question:
"Who sang the famous song ”She Loves You” (1963)?
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Who Sang These Songs?
Which music decade is your favorite?
Average Score: 7
28% knows the answer to this question:
"Who sang the song, "Stayin' Alive" (1977)?
"
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Food & Beverage Quizzes
Quiz on Food and Beverage
What's your favorite pizza?
Average Score: 9
38% knows the answer to this question:
"
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Food Quiz
What is your favorite Guilty Pleasure?
Average Score: 6
33% knows the answer to this question:
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General Knowledge Quizzes
Test of Varied Knowledge
Are you a genius?
Average Score: 8
55% knows the answer to this question:
"
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Maintain mental stimulation.
We hope you have a great time making this quiz
Average Score: 9
40% knows the answer to this question:
"
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Mixed Trivia Quiz
Let us know your score below
Average Score: 5
94% knows the answer to this question:
"
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Unbeatable Knowledge Quiz
Who is going to get past a hard 9?
Average Score: 5
22% knows the answer to this question:
"
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Tough General Knowledge Quiz
We hope this one isn't a struggle for you
Average Score: 5
64% knows the answer to this question:
"
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Challenging Knowledge Quiz
Who is able to beat her score? Tell in the comments f you did
Average Score: 9
49% knows the answer to this question:
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Trivia with a sudden end of mixed knowledge.
Where did you end up before your first retry?
Average Score: 0
22% knows the answer to this question:
"
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Challenging Knowledge Quiz
We challenge you to score a 6+
Average Score: 5
51% knows the answer to this question:
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Challenging Knowledge Quiz
We are actually not sorry! We dare you to score a 10
Average Score: 6
64% knows the answer to this question:
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Literature Quizzes
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Movie Quizzes
Rewind to the 70s: Movie Quiz
Which of these have you seen in the cinema?
Average Score: 8
92% knows the answer to this question:
"Who directed the movie, "The Godfather" (1972)?
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Movie Quiz
Have no fear the answer is here
Average Score: 5
93% knows the answer to this question:
"Which of these Disney feature films was released first?
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Movies & Series Quiz
Which TV series have you watched more than once?
Average Score: 8
57% 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?
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Movie Quiz
We bet you will tap out!
Average Score: 5
66% knows the answer to this question:
"Karen Carpenter died of complications from which illness?
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Movie Trivia Quiz
Scoring a 6 or better is harder than you think!
Average Score: 8
27% knows the answer to this question:
"What "sweet home" state appears in a 2002 Reese Witherspoon title?
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Lights, Camera, Quotes!
Who can get a perfect 10? Share if you did!
Average Score: 8
92% knows the answer to this question:
" "Here's looking at you, kid."
"
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Math Quizzes
Math Examination
Try scoring a 7+
Average Score: 9
45% knows the answer to this question:
"How many inches are in a foot?
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Math Quiz
We hope you'll score higher than a 3+4
Average Score: 7
35% knows the answer to this question:
"If you are 24 years old. How old will you be in 27 years time?
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10 Math Questions
For you to solve
Average Score: 7
51% knows the answer to this question:
"Find the Highest Common Factor of these numbers - 38 and 57
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Try this Proverbs quiz and see if you can find the missing word!
Do you know who these famous people from the 60s and 70s are?
Everybody likes music, but how much do you know about it?