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Question 1 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 2 of 10

Named for Friedrich Mohs and determined with a sclerometer, what does the Mohs scale measure?

Question 3 of 10

Chromium was named because it's so colorful, and chlorine was named because it is often one particular color. Which one?

Question 4 of 10

Sputnik 2 took Laika into space. What kind of animal was Laika?

Question 5 of 10

What do gluons "glue" together within hadrons, like protons and neutrons?

Question 6 of 10

What hirsute part of the body interests somebody who studies pogonology?

Question 7 of 10

Which of these tiger subspecies is not either extinct already, or a few hundred wild animals away from extinction?

Question 8 of 10

With a name literally meaning "hollow cavity," what is the largest vein in your body?

Question 9 of 10

Which of these toolbox items operates on the wheel and axle principle?

Question 10 of 10

West Nile Fever, a mosquito-borne viral infection that can cause inflammation of the brain, was first isolated in the West Nile district of what country in 1937?

Who Sang Quizzes

Think you know these songs?

prove it!

Average Score: 8

47% knows the answer to this question: "Who delivered the heartfelt hit “Wonderful Tonight” (1977)? "
Which artists are we looking for?

Will you tap out early?

Average Score: 4

54% knows the answer to this question: "Who sang the famous song, "Dancing in the Moonlight" (1972)? "
Who Sang These Songs?

We wonder if someone can get higher than a 6 out of 10

Average Score: 9

92% knows the answer to this question: "Who sang the famous song "Bat Out Of Hell" (1977)? "
Do you know who sang these songs?

Try to score higher than a 6!

Average Score: 8

54% knows the answer to this question: "Who sang "Imagine"? "
Can you name one of these Legendary Voices?

Which one is your favorite?

Average Score: 8

67% knows the answer to this question: "Which trumpeter serenaded us with “What a Wonderful World” (1967)? "
Who Sang These Songs?

Can you name the artists we're looking for?

Average Score: 7

31% knows the answer to this question: "Who sang the song, "Then He Kissed Me" (1963)? "

General Knowledge Quizzes

Mixed Knowledge Quiz

You won't score a 10/10

Average Score: 5

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

What did you score?

Average Score: 4

91% knows the answer to this question: " "
10 Mixed Trivia Questions

Please share your score in the comments

Average Score: 5

41% knows the answer to this question: " "
Mixed Trivia Quiz

10 Questions!

Average Score: 9

59% knows the answer to this question: " "
How many triangles do you count?

Play Mixed Trivia to see the answer

Average Score: 6

56% knows the answer to this question: " "
Impossible Knowledge Quiz

A quiz only seniors will be able to score a decent score

Average Score: 6

79% knows the answer to this question: " "

Math Quizzes

Challenging Math Quiz

You aren't smart enough to score a solid 10!

Average Score: 8

85% knows the answer to this question: "76 plus 36 gives which result? "
SUDDEN DEATH QUIZ

Try to stay on your feet!

Average Score: 0

48% knows the answer to this question: "How fast do you need to travel to go 150 miles in 3 hours? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 9

22% knows the answer to this question: "What is 123 times 4? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

91% knows the answer to this question: "687+462+237 equals what number? "
Mathematics Quiz

Try to stay on your feet!

Average Score: 9

93% knows the answer to this question: "What is the total of 101 + 73 + 16? "
10 Math Questions

For you to solve

Average Score: 7

49% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "