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Play This Science Quiz

Question 1 of 10

Which of these devices would you most likely use to listen to music?

Question 2 of 10

Water freezes at what temperature?

Question 3 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?

Question 4 of 10

Most of the oxygen in the air is produced by what chemical process?

Question 5 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 6 of 10

What country shares its name with an ink that is chemically inert, not affected by sunlight and virtually permanent?

Question 7 of 10

Which space probe landed on Mars in June 1999?

Question 8 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 9 of 10

What happens to the pressure of water as depth under the water increases?

Question 10 of 10

The grandfather paradox is held up as one of the risks of what improbable science fiction activity?

Who Sang Quizzes

Who Sang These Songs?

Good luck scoring an high 8

Average Score: 7

74% knows the answer to this question: "Who sang the song, "Peggy Sue" (1957)? "
Can You Name The John Denver Song?

Most people only know 4!

Average Score: 8

75% knows the answer to this question: "From which John Denver song comes the famous line "All my bags are packed, I'm ready to go" "
Do You Know Who Sang These Songs?

We challenge you to score at least a 7!

Average Score: 9

47% knows the answer to this question: "Who sang the famous song, "Bridge Over Troubled Water" (1970)? "
Who Sang These Songs?

Do you think you can name at least 5?

Average Score: 9

66% knows the answer to this question: "Who sang the famous song "Suspicious Minds" (1969) "
Who Delivered These Hits?

What did you score?

Average Score: 7

86% knows the answer to this question: "Which rock & roll dynamo set the stage on fire with "Tutti Frutti" (1955)? "
Who Sang These Songs?

No one really knows more than 5 songs

Average Score: 8

27% knows the answer to this question: "Who sang the famous song "Bad" (1983) "

General Knowledge Quizzes

Knowledge Questions that are Difficult

Can you top a 4? We bet you can, but prove it!

Average Score: 5

55% knows the answer to this question: " "
General Knowledge Quiz

Proof Your Knowledge by scoring an 8+

Average Score: 5

46% knows the answer to this question: " "
Play This Knowledge Quiz

and find out what the answer is

Average Score: 6

32% knows the answer to this question: " "
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: " "
Difficult Knowledge Quiz

You will also fail at question 9

Average Score: 9

67% knows the answer to this question: " "
Challenging Knowledge Quiz

This quiz is way too hard for you!

Average Score: 6

40% knows the answer to this question: " "

Math Quizzes

Can you solve this?

go to Math Quiz

Average Score: 9

79% knows the answer to this question: "If a five day vacations costs 2500 dollars, how much does each day cost? "
Math Quiz

Please let us know your score below

Average Score: 9

99% knows the answer to this question: "What is 18 doubled? "
Math Quiz

We challenge you to score an 8+

Average Score: 9

68% knows the answer to this question: "What is twenty times twenty? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

77% knows the answer to this question: "What is an estimate? "
Math Quiz

Are you real mathelete? Let us know below!

Average Score: 8

49% knows the answer to this question: "Which is the correct spelling? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 8

66% knows the answer to this question: "687+462+237 equals what number? "