Toughest science and nature quiz in the world.

Question 1 of 10

Transducers change waves: what do transducers in a phones turn sound waves into?

Question 2 of 10

What adopted home of Marie Curie never elected her to its Academy of Sciences, despite the two Nobel prizes she won?

Question 3 of 10

There is a theory that gravity might come from a massless particle that emits gravity the way a photon emits light. What is this particle called?

Question 4 of 10

What star is at the end of the Little Dipper's handle?

Question 5 of 10

Instead of trying to lose calories, Australian dieters watch what other metric unit?

Question 6 of 10

As a boy, Joseph Meister was the first person I saved from rabies. And he in turn became caretaker of the institute named for me. Who am I?

Question 7 of 10

Until the Roman era, rabbits were pretty much only found in Iberia, so Biblical references to rabbits should be to what mammal?

Question 8 of 10

Which of these is not an element?

Question 9 of 10

In 1926, in his Aunt Effie's backyard, what Massachusetts physics prof was inspired by HG Wells' War of the Worlds to launch Nell, the first liquid-fueled rocket, up 41 feet?

Question 10 of 10

If you have all your toes, how many toe bones do you have?

History Quizzes

History Quiz

Sorry if you didn't score a 6 or higher

Average Score: 6

61% knows the answer to this question: "What was Germany's main strategy for trying to conquer Britain in World War 1I? "
10 History Questions

Who knows enough for a 10/10

Average Score: 4

46% knows the answer to this question: "What was one of the nicknames of the US's 369th Infantry Regiment? "
10 History Questions

Do you know this riddle?

Average Score: 4

44% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? "
History Quiz

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

Average Score: 5

54% knows the answer to this question: "Which country launched the first woman into space? "
This History Quiz is Rough

Try scoring higher than a 5

Average Score: 4

57% knows the answer to this question: "In 1945, what three letter construction manufacturer was founded? "
Quiz on History

We think you can do way better than a difficult 6

Average Score: 4

39% knows the answer to this question: "In June 2013, the north of which country suffered terrible floods? "
History Quiz

What answer did you not know?

Average Score: 9

43% knows the answer to this question: "Mary Isobel Catherine Bernadette O'Brien is the full name of which singer? "
History Quiz

Do you have what it takes?

Average Score: 5

58% knows the answer to this question: "Which country won the 1958 FIFA World Cup in Sweden? "
Are you wise enought?

Play Our History Quiz

Average Score: 4

55% knows the answer to this question: "To which political party did George Washington belong? "

Geography Quizzes

HARD Science Quiz

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

Average Score: 4

67% knows the answer to this question: "What is the capital of Kentucky? "
Geography Quiz

You're invited!

Average Score: 5

76% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? "
Geography Quiz

Think you can find your way?

Average Score: 6

63% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
Play This Geography Quiz Now!

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

Average Score: 6

54% knows the answer to this question: "Which country lies directly south of Mongolia? "
Geography Quiz

Did you find your way to the last question?

Average Score: 4

38% 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

74% knows the answer to this question: "What was the middle name of the explorer Captain Scott? "
10 Question About Planet Earth

Did you score a 10? Let us know below!

Average Score: 6

43% knows the answer to this question: "Which is the largest continent on Earth? "

Music Quizzes

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Average Score: 5

94% 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? "
Barbra Streisand Quiz

Average Score: 4

26% 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

49% 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

43% 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

34% knows the answer to this question: "What is a young kangaroo called? "

Who Sang Quizzes

Who sang these songs?

10 Questions

Average Score: 9

65% knows the answer to this question: "Who sang the famous song "Mandy" (1974)? "
Can you recognize the vocalists of these songs?

Do you love to listen to music?

Average Score: 5

85% knows the answer to this question: "Who sang the famous song ”Psycho Killer” (1977)? "
Who Sang These Songs?

Can you match the artist?

Average Score: 9

29% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "
Who Sang These Folk & Americana Songs?

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

Average Score: 6

80% knows the answer to this question: "Who sang the song, "The Times They Are A-Changin’" (1964)? "
Motown Legends: Can You Name the Artist Behind These Hits?

Can you match the song to the Motown legend?

Average Score: 7

96% knows the answer to this question: "Who sang the song, "Tracks of My Tears" (1965)? "
Who Sang These Songs?

Did you have more than 6 songs correctly?

Average Score: 9

83% knows the answer to this question: "Who sang the famous song "American Pie" (1972) ? "
Which artist performed these songs?

Can you answer more than 4 questions correctly?

Average Score: 9

80% 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

29% knows the answer to this question: "Who performed the hit "Ring of Fire" (1963)? "
Can you name the singers of these songs?

Do you know the artist of all these songs?

Average Score: 3

41% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? "

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Average Score: 6

41% knows the answer to this question: " "
Quiz on Food and Beverage

What's your favorite pizza?

Average Score: 9

56% knows the answer to this question: " "

General Knowledge Quizzes

General Knowledge Quiz

And..? Did you know it all?

Average Score: 5

65% knows the answer to this question: " "
Play Quiz

Average Score: 5

75% knows the answer to this question: " "
Challenge Your Brain

By answering these 10 trivia questions

Average Score: 5

94% knows the answer to this question: " "
Mixed Trivia Quiz

Hey quizzers, where do you like to tackle our quizzes the most?

Average Score: 5

85% knows the answer to this question: " "
10 Mixed Knowledge Questions

What was the hardest question?

Average Score: 4

99% knows the answer to this question: " "
Are You Brave Enough?

This Knowledge Quiz will make you quit before the end

Average Score: 5

52% knows the answer to this question: " "
General Knowledge Quiz

What will you score? Find out!

Average Score: 5

41% knows the answer to this question: " "
Quiz Abruptly Ends

This is a General Knowledge Quiz with 15 questions

Average Score: 0

67% knows the answer to this question: " "
Ultimate Mixed Trivia Quiz

It's a miracle if you're able to score a perfect 10

Average Score: 5

28% knows the answer to this question: " "

Literature Quizzes

Movie Quizzes

Movie Quiz

Have no fear the answer is here

Average Score: 5

84% knows the answer to this question: "Which of these Disney feature films was released first? "
Lights, Camera, Quotes!

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

Average Score: 8

21% knows the answer to this question: " "Here's looking at you, kid." "
Movie Quiz

We bet you will tap out!

Average Score: 5

47% knows the answer to this question: "Karen Carpenter died of complications from which illness? "
Rewind to the 70s: Movie Quiz

Which of these have you seen in the cinema?

Average Score: 8

59% 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

44% 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? "

Math Quizzes

Math Examination

Try scoring a 7+

Average Score: 9

41% 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

25% knows the answer to this question: "40x41÷40 equals what number? "
10 Math Questions

For you to solve

Average Score: 7

50% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "

Movies Quiz
Who or what am I?
General knowledge quiz

History Quizzes

History Quiz

Sorry if you didn't score a 6 or higher

10 History Questions

Who knows enough for a 10/10

10 History Questions

Do you know this riddle?

History Quiz

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

This History Quiz is Rough

Try scoring higher than a 5

Quiz on History

We think you can do way better than a difficult 6

History Quiz

What answer did you not know?

History Quiz

Do you have what it takes?

Are you wise enought?

Play Our History Quiz

Geography Quizzes

HARD Science Quiz

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

Geography Quiz

You're invited!

Geography Quiz

Think you can find your way?

Play This Geography Quiz Now!

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

Geography Quiz

Did you find your way to the last question?

Geography Quiz

Thumbs up when you score a 10/10

10 Question About Planet Earth

Did you score a 10? Let us know below!

Music Quizzes

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

Barbra Streisand Quiz

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

Who sang these songs?

10 Questions

Can you recognize the vocalists of these songs?

Do you love to listen to music?

Who Sang These Songs?

Can you match the artist?

Who Sang These Folk & Americana Songs?

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

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

Can you match the song to the Motown legend?

Who Sang These Songs?

Did you have more than 6 songs correctly?

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

Can you name the singers of these songs?

Do you know the artist of all these songs?

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Quiz on Food and Beverage

What's your favorite pizza?

General Knowledge Quizzes

General Knowledge Quiz

And..? Did you know it all?

Play Quiz

Challenge Your Brain

By answering these 10 trivia questions

Mixed Trivia Quiz

Hey quizzers, where do you like to tackle our quizzes the most?

10 Mixed Knowledge Questions