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Can you demonstrate the contrary?

Question 1 of 10

Your vet has given you a weed from the mint family called Nepeta cataria. But what do most of us call it?

Question 2 of 10

What reduces the efficiency of machines, because it turns kinetic energy into heat?

Question 3 of 10

French zoologist Bernard Heuvelmans, author of "On the Track of Unknown Animals," coined what word?

Question 4 of 10

What does the first law of thermodynamics conserve?

Question 5 of 10

Although a troy ounce is about 30 grams heavier than an avoirdupois ounce, an avoirdupois pound is 16 ounces instead of 12. So a pound of which of these items is heaviest ... sort of?

Question 6 of 10

For years, they made fun of Alfred Wegener and his amateur ideas about what is now called plate tectonics. Then it turned out that he was right. Oops. Whom did Wegener show up?

Question 7 of 10

What acid both cramps your muscles and makes milk go bad?

Question 8 of 10

In addition to inventing a proto-computer, Charles Babbage also invented the cowcatcher. What is this?

Question 9 of 10

What eccentric scientist was born to Serbian parents in the Hungarian half of Austria-Hungary, in an area that today is now in Croatia?

Question 10 of 10

As Homer Simpson might know, which of these is not a cow?

History Quizzes

History Quiz

Tell us your score below

Average Score: 4

26% knows the answer to this question: "How many men did the German Army loose at the Battle of Amiens? "
1980s Nostalgia Quiz

Try scoring a 7 or higher

Average Score: 8

77% 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

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

8 or higher? You're pretty smart!

Average Score: 4

38% knows the answer to this question: "1953 tennis stars Maureen Connolly and Doris Hart were from which country? "
70s Nostalgia Quiz

Do you remember?

Average Score: 8

39% 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 Trivia Quiz

Scoring higher than a 6 is impossible!

Average Score: 5

44% knows the answer to this question: "What mountains were first crossed by Blaxland, Lawson and Wentworth in 1813? "
Calling All History Buffs!

Can You Beat the Experts?

Average Score: 7

78% knows the answer to this question: "Which treaty ended the Thirty Years' War in 1648? "
Are you wise enought?

Play Our History Quiz

Average Score: 4

94% knows the answer to this question: "To which political party did George Washington belong? "
Across the Pond: UK & USA History Quiz

We would love to see your score below

Average Score: 9

20% 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? "

Geography Quizzes

Play This Geography Quiz Now!

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

Average Score: 6

56% knows the answer to this question: "Which country lies directly south of Mongolia? "
Geography Quiz

Think you can find your way?

Average Score: 6

77% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? "
Geography Quiz

Did you find your way to the last question?

Average Score: 4

25% 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

45% knows the answer to this question: "What was the middle name of the explorer Captain Scott? "
Geography Quiz

You're invited!

Average Score: 5

40% 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

54% 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

26% knows the answer to this question: "What is the capital of Kentucky? "

Music Quizzes

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Average Score: 5

62% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? "
Barbra Streisand Quiz

Average Score: 4

95% 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

61% 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

47% 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

45% 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

44% knows the answer to this question: "What is a young kangaroo called? "

Who Sang Quizzes

Would you be able to recognize the singer of these songs?

Will you be able to do a better job?

Average Score: 10

57% knows the answer to this question: "Who sang the famous song "Peggy Sue" (1962)? "
Who Sang These Songs?

Can you match the artist?

Average Score: 9

36% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "
Can you name the singers of these songs?

Do you know the artist of all these songs?

Average Score: 3

62% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? "
Who Sang These Songs?

Did you have more than 6 songs correctly?

Average Score: 9

34% knows the answer to this question: "Who sang the famous song "American Pie" (1972) ? "
Who Sang These 90s Songs?

Feels like yesterday isn't it?

Average Score: 7

69% knows the answer to this question: "Who sang the song, "Smells Like Teen Spirit" (1991)? "
Motown Legends: Can You Name the Artist Behind These Hits?

Can you match the song to the Motown legend?

Average Score: 7

79% knows the answer to this question: "Who sang the song, "Tracks of My Tears" (1965)? "
Which artist performed these songs?

Can you answer more than 4 questions correctly?

Average Score: 9

35% 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

54% knows the answer to this question: "Who sang the famous song "Suzie Q" (1968) ? "
Can you tell us who sang these songs?

Good luck playing!

Average Score: 9

85% knows the answer to this question: "Who sang the famous song "I Heard It Through The Grapevine" (1969) "

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Average Score: 6

42% knows the answer to this question: " "
Quiz on Food and Beverage

What's your favorite pizza?

Average Score: 9

31% knows the answer to this question: " "

General Knowledge Quizzes

Impossible Knowledge Quiz

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

Average Score: 6

48% knows the answer to this question: " "
10 Hard Questions

Can you solve this question?

Average Score: 5

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

Dare to share your score?

Average Score: 5

51% knows the answer to this question: " "
Challenging General Knowledge Quiz

You're a genius if you scored better than a 7

Average Score: 7

73% knows the answer to this question: " "
General Knowledge Quiz

Can you answer these 10 questions flawlessly?

Average Score: 5

38% 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

45% 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

73% knows the answer to this question: " "
General Knowledge Quiz

Will you be able to score a 7+?

Average Score: 5

75% knows the answer to this question: " "
10 Impossible Trivia Questions

Let us know below what you did

Average Score: 5

23% 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

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

We bet you will tap out!

Average Score: 5

20% 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

43% 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

Have no fear the answer is here

Average Score: 5

34% 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

27% knows the answer to this question: "Who directed the movie, "The Godfather" (1972)? "

Math Quizzes

Math Quiz

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

Average Score: 7

86% knows the answer to this question: "40x41÷40 equals what number? "
Math Examination

Try scoring a 7+

Average Score: 9

29% knows the answer to this question: "How many inches are in a foot? "
10 Math Questions

For you to solve

Average Score: 7

68% knows the answer to this question: "Find the Highest Common Factor of these numbers - 38 and 57 "

Do you know who these famous people from the 60s and 70s are?
Movies Quiz
How much do you know about food and beverages?

History Quizzes

History Quiz

Tell us your score below

1980s Nostalgia Quiz

Try scoring a 7 or higher

History Quiz

What answer did you not know?

History Quiz

8 or higher? You're pretty smart!

70s Nostalgia Quiz

Do you remember?

History Trivia Quiz

Scoring higher than a 6 is impossible!

Calling All History Buffs!

Can You Beat the Experts?

Are you wise enought?

Play Our History Quiz

Across the Pond: UK & USA History Quiz

We would love to see your score below

Geography Quizzes

Play This Geography Quiz Now!

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

Geography Quiz

Think you can find your way?

Geography Quiz

Did you find your way to the last question?

Geography Quiz

Thumbs up when you score a 10/10

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

Alternative Rock Music Quiz

Have you ever heard of any of these bands?

Barbra Streisand Quiz

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

Would you be able to recognize the singer of these songs?

Will you be able to do a better job?

Who Sang These Songs?

Can you match the artist?

Can you name the singers of these songs?

Do you know the artist of all these songs?

Who Sang These Songs?

Did you have more than 6 songs correctly?

Who Sang These 90s Songs?

Feels like yesterday isn't it?

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

Can you match the song to the Motown legend?

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 tell us who sang these songs?

Good luck playing!

Food & Beverage Quizzes

Food Quiz

What is your favorite Guilty Pleasure?

Quiz on Food and Beverage

What's your favorite pizza?

General Knowledge Quizzes

Impossible Knowledge Quiz

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

10 Hard Questions

Can you solve this question?

Impossible Knowledge Quiz

Dare to share your score?

Challenging General Knowledge Quiz

You're a genius if you scored better than a 7