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Challenging Science Quiz

Question 1 of 10

Which of these scientific terms is defined as the solid surface layer of a planet or moon?

Question 2 of 10

Which of these would you not work out at a gym, but might instead use surgically if somebody gives birth at the gym?

Question 3 of 10

The membrane in the ear is named for what musical instrument?

Question 4 of 10

What is the end of the human life cycle?

Question 5 of 10

A kind of protective covering for the body is a called what?

Question 6 of 10

The pharynx is coated with a ring of lymphoid tissue that fights bacteria, but which many kids have removed. What is it called?

Question 7 of 10

In 1768, the Steller's sea cow became the largest animal to become extinct in modern history. To what animal was it most closely related?

Question 8 of 10

A Chinese eunuch named Cai Lun (or Ts'ai Lun) is credited with using bark, hemp, rags and fishnets to invent something in 105 AD. What?

Question 9 of 10

Arcticalymene viciousi, A. rotteni, A. jonesi, A. cooki and A. matlocki are trilobites named for members of what rock band?

Question 10 of 10

In 1963, Edward Lorenz tried to map atmospheric turbulence on a graph. He came up with figure eights that looked a bit like what lepidopteran's wings?

Who Sang Quizzes

Who is the singer of these songs?

Please tell us if you know more than 6 songs

Average Score: 9

85% knows the answer to this question: "Who sang the famous song "Imagine" (1971) ? "
Who Sang These Songs?

Who is able to score higher than a 6?

Average Score: 7

32% knows the answer to this question: "Which trumpet-voiced legend warmed hearts with “What a Wonderful World” (1967)? "
Do you know the answers?

Find out by playing this quiz!

Average Score: 7

63% knows the answer to this question: "Who sang the famous song "Living Doll" (1986) "
Are you a music expert?

Who Sang These Songs?

Average Score: 7

84% knows the answer to this question: "Which legendary crooner made "Fly Me to the Moon" (1964) unforgettable? "
Who sang these songs from the 50s, 60s & 70s

Which decade do you love musically?

Average Score: 9

88% knows the answer to this question: "Who sang the song, "Jailhouse Rock" (1957)? "
Who sang these songs?

Question 5 is impossible

Average Score: 8

53% knows the answer to this question: "Who sang the famous song Yesterday (1965)? "

General Knowledge Quizzes

Brain-Teasing Trivia Questions

We wonder what you will score

Average Score: 5

71% knows the answer to this question: " "
General Knowledge Quiz

And..? Did you know it all?

Average Score: 5

56% knows the answer to this question: " "
Trivia Quiz with a Mix of Questions

No one is able to score higher than a 6

Average Score: 8

98% knows the answer to this question: " "
Tough General Knowledge Quiz

We hope this one isn't a struggle for you

Average Score: 5

96% knows the answer to this question: " "
His score is unbeatable by anyone!

Impossible Knowledge Quiz

Average Score: 8

48% knows the answer to this question: " "
Sudden Death

Only a genius will make it all the way to question 10

Average Score: 7

36% knows the answer to this question: " "

Math Quizzes

Math Quiz

We hope you're smart enough for these questions

Average Score: 8

87% knows the answer to this question: "If you eat 23 sweets from a tub that contains 687 how many sweets do you have left? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

92% knows the answer to this question: "38x39÷38 equals what number? "
Math Quiz

Only those who are good with numbers stand a chance!

Average Score: 10

57% knows the answer to this question: "Which number is most commonly considered unlucky? "
Mathematics Quiz

Nobody is able to score a perfect 10

Average Score: 8

60% knows the answer to this question: "What is double 26? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

92% knows the answer to this question: "What is the total of 25 + 53 + 32? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

71% knows the answer to this question: "How many feet long is a 100-yard football field? "