Science Quiz with challenging 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'?

History Quizzes

70s Nostalgia Quiz

Do you remember?

Average Score: 8

99% knows the answer to this question: "Which movie, released in 1977, became a groundbreaking science fiction epic and started a franchise that is still popular today? "
History Questions

We would love to hear about your score

Average Score: 4

61% knows the answer to this question: "The "red purge" was a campaign communists in which country in June 1950? "
History Quiz

Sorry if you didn't score a 6 or higher

Average Score: 6

37% 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

92% knows the answer to this question: "Which country launched the first woman into space? "
80s Nostalgia Quiz

What videogame did you play in the 80s?

Average Score: 8

89% knows the answer to this question: "Which 1980s movie features the iconic line, "Nobody puts Baby in a corner"? "
1980s Nostalgia Quiz

Try scoring a 7 or higher

Average Score: 8

57% knows the answer to this question: "What iconic video game was released in 1980 and featured a little yellow character gobbling up pellets while avoiding ghosts? "
History Quiz

Tell us your score below

Average Score: 4

63% knows the answer to this question: "How many men did the German Army loose at the Battle of Amiens? "
10 History Questions

Do you know this riddle?

Average Score: 4

81% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? "
History Quiz

Do you have what it takes?

Average Score: 5

93% knows the answer to this question: "Which country won the 1958 FIFA World Cup in Sweden? "

Geography Quizzes

Geography Quiz

Did you find your way to the last question?

Average Score: 4

67% knows the answer to this question: "Fulham is in which London postcode? "
Geography Quiz

Thumbs up when you score a 10/10

Average Score: 5

92% knows the answer to this question: "What was the middle name of the explorer Captain Scott? "
Geography Quiz

Think you can find your way?

Average Score: 6

58% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
Geography Quiz

You're invited!

Average Score: 5

71% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? "
10 Question About Planet Earth

Did you score a 10? Let us know below!

Average Score: 6

80% knows the answer to this question: "Which is the largest continent on Earth? "
HARD Science Quiz

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

Average Score: 4

44% knows the answer to this question: "What is the capital of Kentucky? "

Music Quizzes

Barbra Streisand Quiz

Average Score: 4

58% knows the answer to this question: "What is Barbra Streisand's middle name? "
Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Average Score: 5

27% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? "
10 difficult questions about John Denver

Let us know your score in the comments

Average Score: 7

65% knows the answer to this question: "What was John Denver's birth name? "

Science Quizzes

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Average Score: 8

51% 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.

Are you worthy of the respect?

Average Score: 7

66% knows the answer to this question: "What sterile animal is produced when a male donkey breeds with a female horse? "
Quiz on Science

Did you complete the mission?

Average Score: 9

88% knows the answer to this question: "What is a young kangaroo called? "

Who Sang Quizzes

Motown Legends: Can You Name the Artist Behind These Hits?

Can you match the song to the Motown legend?

Average Score: 7

61% knows the answer to this question: "Who sang the song, "Tracks of My Tears" (1965)? "
Who Sang These 90s Songs?

Feels like yesterday isn't it?

Average Score: 7

80% knows the answer to this question: "Who sang the song, "Smells Like Teen Spirit" (1991)? "
Which artist performed these songs?

Can you answer more than 4 questions correctly?

Average Score: 9

48% knows the answer to this question: "Who sang the famous song ”She Loves You” (1963)? "
Who Sang These Country Songs?

Question 10 is by far the hardest

Average Score: 8

82% knows the answer to this question: "Who performed the hit "Ring of Fire" (1963)? "
Who Sang These Folk & Americana Songs?

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

Average Score: 6

75% knows the answer to this question: "Who sang the song, "The Times They Are A-Changin’" (1964)? "
Can you recognize the vocalists of these songs?

Do you love to listen to music?

Average Score: 5

53% knows the answer to this question: "Who sang the famous song ”Psycho Killer” (1977)? "
Can you name the singers of these songs?

Do you know the artist of all these songs?

Average Score: 3

55% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? "
Quiz on music from the 1960s.

You won't score a perfect 10

Average Score: 7

75% knows the answer to this question: "Who sang the famous song "Suzie Q" (1968) ? "
Who were the singers of these songs?

Did you have all 10 songs correctly?

Average Score: 6

48% knows the answer to this question: "Who sang the famous song "Under Pressure" (1981) ? "

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Average Score: 6

36% knows the answer to this question: " "
Quiz on Food and Beverage

What's your favorite pizza?

Average Score: 9

75% knows the answer to this question: " "

General Knowledge Quizzes

Test of Varied Knowledge

Are you a genius?

Average Score: 8

89% knows the answer to this question: " "
Play Quiz

Average Score: 5

54% knows the answer to this question: " "
Think You’re a Trivia Expert?

Take Our 10-Question Quiz and Prove It!

Average Score: 5

67% knows the answer to this question: " "
Quiz for Smart People

Are you smarter than him? Prove us!

Average Score: 5

79% knows the answer to this question: " "
Smart Quizzers: A Blend of Trivia

Prove you're really smart by scoring a 7+

Average Score: 9

92% knows the answer to this question: " "
Intelligence Quotient Test

We dare you to score better than a 4

Average Score: 8

31% knows the answer to this question: " "
Put Your Knowledge to the Test

Sorry, but this quiz is too hard for most of us

Average Score: 5

60% knows the answer to this question: " "
Unbeatable Knowledge Quiz

Nobody is able to score a perfect 10 in this one

Average Score: 4

85% knows the answer to this question: " "
General Knowledge Quiz

Enjoy making this quiz

Average Score: 7

78% knows the answer to this question: " "

Literature Quizzes

Movie Quizzes

Lights, Camera, Quotes!

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

Average Score: 8

52% knows the answer to this question: " "Here's looking at you, kid." "
Movie Quiz

Have no fear the answer is here

Average Score: 5

44% knows the answer to this question: "Which of these Disney feature films was released first? "
Rewind to the 70s: Movie Quiz

Which of these have you seen in the cinema?

Average Score: 8

50% knows the answer to this question: "Who directed the movie, "The Godfather" (1972)? "
Movies & Series Quiz

Which TV series have you watched more than once?

Average Score: 8

33% 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? "
Movie Quiz

We bet you will tap out!

Average Score: 5

69% knows the answer to this question: "Karen Carpenter died of complications from which illness? "

Math Quizzes

Math Examination

Try scoring a 7+

Average Score: 9

89% knows the answer to this question: "How many inches are in a foot? "
Math Quiz

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

Average Score: 7

41% knows the answer to this question: "40x41÷40 equals what number? "
10 Math Questions

For you to solve

Average Score: 7

35% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "

Who sang these famous pop songs?
Try this Proverbs quiz and see if you can find the missing word!
Everybody likes music, but how much do you know about it?

History Quizzes

70s Nostalgia Quiz

Do you remember?

History Questions

We would love to hear about your score

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

80s Nostalgia Quiz

What videogame did you play in the 80s?

1980s Nostalgia Quiz

Try scoring a 7 or higher

History Quiz

Tell us your score below

10 History Questions

Do you know this riddle?

History Quiz

Do you have what it takes?

Geography Quizzes

Geography Quiz

Did you find your way to the last question?

Geography Quiz

Thumbs up when you score a 10/10

Geography Quiz

Think you can find your way?

Geography Quiz

You're invited!

10 Question About Planet Earth

Did you score a 10? Let us know below!

HARD Science Quiz

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

Music Quizzes

Barbra Streisand Quiz

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

10 difficult questions about John Denver

Let us know your score in the comments

Science Quizzes

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Quiz on Science.

Are you worthy of the respect?

Quiz on Science

Did you complete the mission?

Who Sang Quizzes

Motown Legends: Can You Name the Artist Behind These Hits?

Can you match the song to the Motown legend?

Who Sang These 90s Songs?

Feels like yesterday isn't it?

Which artist performed these songs?

Can you answer more than 4 questions correctly?

Who Sang These Country Songs?

Question 10 is by far the hardest

Who Sang These Folk & Americana Songs?

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

Can you recognize the vocalists of these songs?

Do you love to listen to music?

Can you name the singers of these songs?

Do you know the artist of all these songs?

Quiz on music from the 1960s.

You won't score a perfect 10

Who were the singers of these songs?

Did you have all 10 songs correctly?

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Quiz on Food and Beverage

What's your favorite pizza?

General Knowledge Quizzes

Test of Varied Knowledge

Are you a genius?

Play Quiz

Think You’re a Trivia Expert?

Take Our 10-Question Quiz and Prove It!

Quiz for Smart People

Are you smarter than him? Prove us!

Smart Quizzers: A Blend of Trivia

Prove you're really smart by scoring a 7+

Intelligence Quotient Test