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Give this Science Quiz a try.

Question 1 of 10

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?

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?

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?

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?

Who Sang Quizzes

Do you know who sang these songs?

Try to score higher than a 6!

Average Score: 8

77% knows the answer to this question: "Who sang "Livin' on a Prayer"? "
Do you know who sang these songs?

Try to score higher than a 6!

Average Score: 8

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Play Quiz

Average Score: 9

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Which artists are we looking for?

Do you remember these songs?

Average Score: 7

75% knows the answer to this question: "Who sang “Take on Me” in 1985? "
Who Sang These Songs?

No one knows more than 6 songs

Average Score: 7

89% knows the answer to this question: "Who sang the song, "Shoop"? (1993) "
Only real music fans can name these artists

Can you get past question 7?

Average Score: 8

47% knows the answer to this question: "Which band gave us "Walk Like an Egyptian" (1986)? "

General Knowledge Quizzes

Mixed Trivia Quiz

Let us know your answers below

Average Score: 5

85% knows the answer to this question: " "
Sudden Death Quiz

How many chances did you need?

Average Score: 0

90% knows the answer to this question: " "
10 Impossible Trivia Questions

Let us know below what you did

Average Score: 5

51% knows the answer to this question: " "
Unbeatable Knowledge Quiz

What did you score?

Average Score: 5

50% knows the answer to this question: " "
10 Trivia Questions For You

So... what did you score?

Average Score: 5

31% knows the answer to this question: " "
Challenging Knowledge Quiz

Share if you know the answer

Average Score: 7

60% knows the answer to this question: " "

Math Quizzes

Math Quiz

Only those who are good with numbers stand a change!

Average Score: 9

67% knows the answer to this question: "What is 123 times 4? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

45% knows the answer to this question: "How many feet long is a 100-yard football field? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

87% knows the answer to this question: "What is the total of 25 + 53 + 32? "
Math Quiz

Please let us know your score below

Average Score: 9

92% knows the answer to this question: "What is 18 doubled? "
No one can score a 7 or better

Math Test

Average Score: 9

85% knows the answer to this question: "Which is the largest number? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

73% knows the answer to this question: "38x39÷38 equals what number? "