Science Quiz featuring tough questions

Question 1 of 10

When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results?

Question 2 of 10

What is the name of the holes in the nose?

Question 3 of 10

Which of these is a liquid?

Question 4 of 10

What would you do to a bucket of sand and water to separate one from the other?

Question 5 of 10

What element is a diamond composed of?

Question 6 of 10

At the end of the mouth is the pharynx, a traffic cop that directs air down the trachea and food down the oesophagus. What flap shuts the trachea when you eat?

Question 7 of 10

In 1996, there wasn't a single American state in which at least 20% of the people were obese. By 2007, every state had an obesity rate of at least 20%, except for what Rocky Mountain state?

Question 8 of 10

New Zealanders are convinced that Richard Pearse invented this in Timaru, nine months before it was invented at Kitty Hawk. What?

Question 9 of 10

What sort of organisms can be genetically engineered?

Question 10 of 10

What type of substances do we get from substances called 'ores'?

When assessing medical knowledge

Did you have more than 5 questions correctly?

Average Score: 9

100% knows the answer to this question: "What field of science deals with the nervous system? "

And do you know the answer to this one? "A sunburn is caused by overexposure to what kind of ray?"

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Who Sang These Songs From 1974

Do you have vivid memories from that era?

Average Score: 7

100% knows the answer to this question: "Who sang the song, "Annie's Song" (1974)? "

And do you know the answer to this one? "Who sang the song, "The Way We Were" (1974)?"

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Unexpected Termination Quiz

At what question did you strand?

Average Score: 0

0% knows the answer to this question: "The acronym "EU", when referring to a group of European nations, stands for what? "

And do you know the answer to this one? "What animal has two humps and originates in the deserts and steppes of Asia?"

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History Quizzes

Across the Pond: UK & USA History Quiz

We would love to see your score below

Average Score: 9

87% 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? "
10 History Questions

Do you know this riddle?

Average Score: 4

37% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? "
Calling All History Buffs!

Can You Beat the Experts?

Average Score: 7

46% knows the answer to this question: "Which treaty ended the Thirty Years' War in 1648? "
This History Quiz is Rough

Try scoring higher than a 5

Average Score: 4

20% knows the answer to this question: "In 1945, what three letter construction manufacturer was founded? "
History Trivia Quiz

Scoring higher than a 6 is impossible!

Average Score: 5

99% knows the answer to this question: "In which country were the majority of the Nazi extermination camps during World War 1I? "
History Quiz

What answer did you not know?

Average Score: 9

63% knows the answer to this question: "Mary Isobel Catherine Bernadette O'Brien is the full name of which singer? "
History Quiz

Sorry if you didn't score a 6 or higher

Average Score: 6

28% knows the answer to this question: "What was Germany's main strategy for trying to conquer Britain in World War 1I? "
History Quiz

Find out if you still know enough to score a 10/10

Average Score: 5

49% knows the answer to this question: "Which country launched the first woman into space? "
History Questions

We would love to hear about your score

Average Score: 4

27% knows the answer to this question: "The "red purge" was a campaign communists in which country in June 1950? "

Geography Quizzes

Play This Geography Quiz Now!

It's going to be impossible to score a 6+

Average Score: 6

47% knows the answer to this question: "Which country lies directly south of Mongolia? "
10 Question About Planet Earth

Did you score a 10? Let us know below!

Average Score: 6

52% knows the answer to this question: "Which is the largest continent on Earth? "
Geography Quiz

You're invited!

Average Score: 5

91% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? "
HARD Science Quiz

We hope you're smart enough to score a 7+

Average Score: 4

37% knows the answer to this question: "What is the capital of Kentucky? "
Geography Quiz

Did you find your way to the last question?

Average Score: 4

51% knows the answer to this question: "Fulham is in which London postcode? "
Geography Quiz

Think you can find your way?

Average Score: 6

84% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
Geography Quiz

Thumbs up when you score a 10/10

Average Score: 5

58% knows the answer to this question: "What was the middle name of the explorer Captain Scott? "

Music Quizzes

10 difficult questions about John Denver

Let us know your score in the comments

Average Score: 7

45% knows the answer to this question: "What was John Denver's birth name? "
Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Average Score: 5

21% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? "
Barbra Streisand Quiz

Average Score: 4

25% knows the answer to this question: "What is Barbra Streisand's middle name? "

Science Quizzes

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Average Score: 8

39% knows the answer to this question: "When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results? "
Quiz on Science

Did you complete the mission?

Average Score: 9

32% knows the answer to this question: "What is a young kangaroo called? "
Quiz on Science.

Are you worthy of the respect?

Average Score: 7

42% knows the answer to this question: "What sterile animal is produced when a male donkey breeds with a female horse? "

Who Sang Quizzes

Who Sang These 90s Songs?

Feels like yesterday isn't it?

Average Score: 7

34% knows the answer to this question: "Who sang the song, "Smells Like Teen Spirit" (1991)? "
Who Sang These Folk & Americana Songs?

Is your favorite artist in this quiz? Take it and find out!

Average Score: 6

71% knows the answer to this question: "Who sang the song, "The Times They Are A-Changin’" (1964)? "
Can you tell us who sang these songs?

Good luck playing!

Average Score: 9

51% knows the answer to this question: "Who sang the famous song "I Heard It Through The Grapevine" (1969) "
Who Sang These Country Songs?

Question 10 is by far the hardest

Average Score: 8

58% knows the answer to this question: "Who performed the hit "Ring of Fire" (1963)? "
Which artist performed these songs?

Can you answer more than 4 questions correctly?

Average Score: 9

76% knows the answer to this question: "Who sang the famous song ”She Loves You” (1963)? "
Quiz on music from the 1960s.

You won't score a perfect 10

Average Score: 7

57% knows the answer to this question: "Who sang the famous song "Suzie Q" (1968) ? "
Can you recognize the vocalists of these songs?

Do you love to listen to music?

Average Score: 5

79% knows the answer to this question: "Who sang the famous song ”Psycho Killer” (1977)? "
Who Sang These Songs?

Did you have more than 6 songs correctly?

Average Score: 9

39% knows the answer to this question: "Who sang the famous song "American Pie" (1972) ? "
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

23% knows the answer to this question: "Who sang the famous song "Strangers In The Night" (1966) ? "

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Average Score: 6

66% knows the answer to this question: " "
Quiz on Food and Beverage

What's your favorite pizza?

Average Score: 9

57% knows the answer to this question: " "

General Knowledge Quizzes

Challenging Knowledge Quiz

This quiz is way too hard for you!

Average Score: 6

49% knows the answer to this question: " "
General Knowledge Quiz

Sit back and enjoy this quiz

Average Score: 5

66% knows the answer to this question: " "
General Knowledge Quiz

Only a few will ace this one

Average Score: 5

57% knows the answer to this question: " "
General Knowledge Questions

Can you answer them all correctly?

Average Score: 4

92% knows the answer to this question: " "
'Quiz on General Knowledge'

We challenge you to score at least an 8

Average Score: 8

75% knows the answer to this question: " "
General Knowledge Quiz

What did you score?

Average Score: 6

87% knows the answer to this question: " "
Quiz for Smart People

Are you smarter than him? Prove us!

Average Score: 5

99% knows the answer to this question: " "
Quiz on General Knowledge

Are you smart enough to beat her score? Prove it to us!

Average Score: 5

22% knows the answer to this question: " "
10 Hard Questions

Can you solve this question?

Average Score: 5

39% knows the answer to this question: " "

Literature Quizzes

Movie Quizzes

Movie Quiz

Have no fear the answer is here

Average Score: 5

91% knows the answer to this question: "Which of these Disney feature films was released first? "
Movies & Series Quiz

Which TV series have you watched more than once?

Average Score: 8

40% 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? "
Rewind to the 70s: Movie Quiz

Which of these have you seen in the cinema?

Average Score: 8

70% knows the answer to this question: "Who directed the movie, "The Godfather" (1972)? "
Movie Quiz

We bet you will tap out!

Average Score: 5

75% knows the answer to this question: "Karen Carpenter died of complications from which illness? "
Lights, Camera, Quotes!

Who can get a perfect 10? Share if you did!

Average Score: 8

79% knows the answer to this question: " "Here's looking at you, kid." "

Math Quizzes

Math Quiz

We hope you'll score higher than a 3+4

Average Score: 7

96% knows the answer to this question: "If you are 24 years old. How old will you be in 27 years time? "
10 Math Questions

For you to solve

Average Score: 7

77% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "
Math Examination

Try scoring a 7+

Average Score: 9

85% knows the answer to this question: "How many inches are in a foot? "

Who sang these famous pop songs?
Extremely Hard History Quiz, most people score only 3 out of 10.
Do you remember these old cities?

When assessing medical knowledge

Did you have more than 5 questions correctly?

Who Sang These Songs From 1974

Do you have vivid memories from that era?

Unexpected Termination Quiz

At what question did you strand?

History Quizzes

Across the Pond: UK & USA History Quiz

We would love to see your score below

10 History Questions

Do you know this riddle?

Calling All History Buffs!

Can You Beat the Experts?

This History Quiz is Rough

Try scoring higher than a 5

History Trivia Quiz

Scoring higher than a 6 is impossible!

History Quiz

What answer did you not know?

History Quiz

Sorry if you didn't score a 6 or higher

History Quiz

Find out if you still know enough to score a 10/10

History Questions

We would love to hear about your score

Geography Quizzes

Play This Geography Quiz Now!

It's going to be impossible to score a 6+

10 Question About Planet Earth

Did you score a 10? Let us know below!

Geography Quiz

You're invited!

HARD Science Quiz

We hope you're smart enough to score a 7+

Geography Quiz

Did you find your way to the last question?

Geography Quiz

Think you can find your way?

Geography Quiz

Thumbs up when you score a 10/10

Music Quizzes

10 difficult questions about John Denver

Let us know your score in the comments

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Barbra Streisand Quiz

Science Quizzes

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Quiz on Science

Did you complete the mission?

Quiz on Science.

Are you worthy of the respect?

Who Sang Quizzes

Who Sang These 90s Songs?

Feels like yesterday isn't it?

Who Sang These Folk & Americana Songs?

Is your favorite artist in this quiz? Take it and find out!

Can you tell us who sang these songs?

Good luck playing!

Who Sang These Country Songs?

Question 10 is by far the hardest

Which artist performed these songs?

Can you answer more than 4 questions correctly?

Quiz on music from the 1960s.

You won't score a perfect 10

Can you recognize the vocalists of these songs?

Do you love to listen to music?

Who Sang These Songs?

Did you have more than 6 songs correctly?

Who sang these songs?

Are you older than 40? Then your chance is very slim you will score a 6 or better

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Quiz on Food and Beverage

What's your favorite pizza?

General Knowledge Quizzes

Challenging Knowledge Quiz

This quiz is way too hard for you!