Challenging Science Test

Question 1 of 10

Joseph Wilbrand invented this in 1863 for use as a yellow dye. But in 1902, it was repurposed to blow stuff up. What is it?

Question 2 of 10

On account of an eerie sound it makes, what is another common name for the spotted hyena?

Question 3 of 10

Rapid eye movement and slow wave are two deep phases of what activity?

Question 4 of 10

Gingivitis is minor but can lead to the more serious periodontitis, affecting what body part?

Question 5 of 10

In 1834, what tree's leaf became the official emblem of the St Jean Baptiste Society, now dedicated to Quebec independence instead of Canadian nationalism?

Question 6 of 10

What organ has an insula and four lobes (frontal, parietal, temporal and occipital)?

Question 7 of 10

Canadians would have been really impressed with the nine-foot-long Castoroides ohioensis. What was it?

Question 8 of 10

What inventor used to make all employees write an "exceedingly simple" 150-question trivia test so tough even Albert Einstein failed it?

Question 9 of 10

Sodium hydroxide is NaOH, also called caustic acid. And it's also called something else. What?

Question 10 of 10

Space rock that enters the Earth's atmosphere is known as a what?

History Quizzes

10 History Questions

Do you know this riddle?

Average Score: 4

41% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? "
History Trivia Quiz

Scoring higher than a 6 is impossible!

Average Score: 5

54% knows the answer to this question: "What mountains were first crossed by Blaxland, Lawson and Wentworth in 1813? "
10 Questions about History

Did you know enough for a 10/10?

Average Score: 4

31% knows the answer to this question: "What was the name of the train that was Britains first streamline train service - launched on September 30th 1935? "
10 History Questions

Who knows enough for a 10/10

Average Score: 4

57% knows the answer to this question: "What was one of the nicknames of the US's 369th Infantry Regiment? "
History Quiz

8 or higher? You're pretty smart!

Average Score: 4

49% knows the answer to this question: "1953 tennis stars Maureen Connolly and Doris Hart were from which country? "
History Trivia Quiz

Scoring higher than a 6 is impossible!

Average Score: 5

70% knows the answer to this question: "In which country were the majority of the Nazi extermination camps during World War 1I? "
This History Quiz is Rough

Try scoring higher than a 5

Average Score: 4

53% knows the answer to this question: "In 1945, what three letter construction manufacturer was founded? "
History Quiz

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

Average Score: 5

72% knows the answer to this question: "Which country launched the first woman into space? "
History Quiz

Do you have what it takes?

Average Score: 5

75% knows the answer to this question: "Which country won the 1958 FIFA World Cup in Sweden? "

Geography Quizzes

Geography Quiz

You're invited!

Average Score: 5

67% 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

80% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
HARD Science Quiz

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

Average Score: 4

58% 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

28% knows the answer to this question: "Fulham is in which London postcode? "
Play This Geography Quiz Now!

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

Average Score: 6

76% knows the answer to this question: "Which country lies directly south of Mongolia? "
Geography Quiz

Thumbs up when you score a 10/10

Average Score: 5

22% 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

21% knows the answer to this question: "Which is the largest continent on Earth? "

Music Quizzes

Barbra Streisand Quiz

Average Score: 4

32% knows the answer to this question: "What is Barbra Streisand's middle name? "
10 difficult questions about John Denver

Let us know your score in the comments

Average Score: 7

43% 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

63% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? "

Science Quizzes

Science Quiz with challenging questions

Who is able to score higher than an impossible 8?

Average Score: 8

71% 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

77% knows the answer to this question: "What is a young kangaroo called? "
Quiz on Science.

Are you worthy of the respect?

Average Score: 7

27% knows the answer to this question: "What sterile animal is produced when a male donkey breeds with a female horse? "

Who Sang Quizzes

Can you recognize the vocalists of these songs?

Do you love to listen to music?

Average Score: 5

30% 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

98% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? "
Who were the singers of these songs?

Did you have all 10 songs correctly?

Average Score: 6

25% knows the answer to this question: "Who sang the famous song "Under Pressure" (1981) ? "
Who Sang These Songs?

Can you match the artist?

Average Score: 9

49% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "
Motown Legends: Can You Name the Artist Behind These Hits?

Can you match the song to the Motown legend?

Average Score: 7

72% knows the answer to this question: "Who sang the song, "Tracks of My Tears" (1965)? "
Who Sang These Songs?

Do you have a favorite songs between these 10 songs?

Average Score: 9

59% knows the answer to this question: "Who sang the famous song "Annie's Song" (1974)? "
Quiz on music from the 1960s.

You won't score a perfect 10

Average Score: 7

62% knows the answer to this question: "Who sang the famous song "Suzie Q" (1968) ? "
Which artist performed these songs?

Can you answer more than 4 questions correctly?

Average Score: 9

55% knows the answer to this question: "Who sang the famous song ”She Loves You” (1963)? "
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

64% knows the answer to this question: "Who sang the famous song "Strangers In The Night" (1966) ? "

Food & Beverage Quizzes

Quiz on Food and Beverage

What's your favorite pizza?

Average Score: 9

83% knows the answer to this question: " "
Food Quiz

What is your favorite Guilty Pleasure?

Average Score: 6

90% knows the answer to this question: " "

General Knowledge Quizzes

Trivia Quiz

An 8+ is considered genius

Average Score: 9

75% knows the answer to this question: " "
Quiz that tests your knowledge in a challenging way.

Can you do better than a 5?

Average Score: 6

40% knows the answer to this question: " "
General Knowledge

Please tell us how many you know

Average Score: 9

40% knows the answer to this question: " "
10 Impossible Trivia Questions

Let us know below what you did

Average Score: 5

45% knows the answer to this question: " "
General Knowledge Quiz

Can you please try and beat this woman!

Average Score: 4

73% knows the answer to this question: " "
Trivia with a blend of knowledge.

What did you score? Please tell us in the comments

Average Score: 8

92% knows the answer to this question: " "
10 Questions for Geniuses

Did you score a perfect 10?

Average Score: 6

20% knows the answer to this question: " "
10 Challenging Questions

Who is smart enough to score higher?

Average Score: 6

40% knows the answer to this question: " "
Challenging Knowledge Quiz

We hope you're able to get above a 4

Average Score: 6

73% knows the answer to this question: " "

Literature Quizzes

Movie Quizzes

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)? "
Movie Quiz

Have no fear the answer is here

Average Score: 5

49% knows the answer to this question: "Which of these Disney feature films was released first? "
Movie Quiz

We bet you will tap out!

Average Score: 5

49% knows the answer to this question: "Karen Carpenter died of complications from which illness? "
Movies & Series Quiz

Which TV series have you watched more than once?

Average Score: 8

61% 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? "
Lights, Camera, Quotes!

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

Average Score: 8

50% knows the answer to this question: " "Here's looking at you, kid." "

Math Quizzes

10 Math Questions

For you to solve

Average Score: 7

62% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "
Math Quiz

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

Average Score: 7

85% knows the answer to this question: "40x41÷40 equals what number? "
Math Examination

Try scoring a 7+

Average Score: 9

94% knows the answer to this question: "How many inches are in a foot? "

Do you know who these famous people from the 60s and 70s are?
Can you beat the score of this nurse?
Literature Quiz

History Quizzes

10 History Questions

Do you know this riddle?

History Trivia Quiz

Scoring higher than a 6 is impossible!

10 Questions about History

Did you know enough for a 10/10?

10 History Questions

Who knows enough for a 10/10

History Quiz

8 or higher? You're pretty smart!

History Trivia Quiz

Scoring higher than a 6 is impossible!

This History Quiz is Rough

Try scoring higher than a 5

History Quiz

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

History Quiz

Do you have what it takes?

Geography Quizzes

Geography Quiz

You're invited!

Geography Quiz

Think you can find your way?

HARD Science Quiz

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

Geography Quiz

Did you find your way to the last question?

Play This Geography Quiz Now!

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

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

Barbra Streisand Quiz

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?

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

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?

Who were the singers of these songs?

Did you have all 10 songs correctly?

Who Sang These Songs?

Can you match the artist?

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

Can you match the song to the Motown legend?

Who Sang These Songs?

Do you have a favorite songs between these 10 songs?

Quiz on music from the 1960s.

You won't score a perfect 10

Which artist performed these songs?

Can you answer more than 4 questions 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

Quiz on Food and Beverage

What's your favorite pizza?

Food Quiz

What is your favorite Guilty Pleasure?

General Knowledge Quizzes

Trivia Quiz

An 8+ is considered genius

Quiz that tests your knowledge in a challenging way.

Can you do better than a 5?

General Knowledge

Please tell us how many you know

10 Impossible Trivia Questions

Let us know below what you did